#2 Add README.md, CONTRIBUTING.md and CODE_OF_CONDUCT.md

CODE_OF_CONDUCT.md

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+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+We as members, contributors, and leaders pledge to make participation in our
+community a harassment-free experience for everyone, regardless of age, body
+size, visible or invisible disability, ethnicity, sex characteristics, gender
+identity and expression, level of experience, education, socio-economic status,
+nationality, personal appearance, race, religion, or sexual identity
+and orientation.
+
+We pledge to act and interact in ways that contribute to an open, welcoming,
+diverse, inclusive, and healthy community.
+
+## Our Standards
+Examples of behavior that contributes to a positive environment for our
+community include:
+
+* Demonstrating empathy and kindness toward other people
+* Being respectful of differing opinions, viewpoints, and experiences
+* Giving and gracefully accepting constructive feedback
+* Accepting responsibility and apologizing to those affected by our mistakes,
+  and learning from the experience
+* Focusing on what is best not just for us as individuals, but for the
+  overall community
+
+Examples of unacceptable behavior include:
+
+* The use of sexualized language or imagery, and sexual attention or
+  advances of any kind
+* Trolling, insulting or derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or email
+  address, without their explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Enforcement Responsibilities
+Community leaders are responsible for clarifying and enforcing our standards of
+acceptable behavior and will take appropriate and fair corrective action in
+response to any behavior that they deem inappropriate, threatening, offensive,
+or harmful.
+
+Community leaders have the right and responsibility to remove, edit, or reject
+comments, commits, code, wiki edits, issues, and other contributions that are
+not aligned to this Code of Conduct, and will communicate reasons for moderation
+decisions when appropriate.
+
+## Scope
+This Code of Conduct applies within all community spaces, and also applies when
+an individual is officially representing the community in public spaces.
+Examples of representing our community include using an official e-mail address,
+posting via an official social media account, or acting as an appointed
+representative at an online or offline event.
+
+## Enforcement
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported to the community leaders responsible for enforcement at
+[INSERT CONTACT METHOD].
+All complaints will be reviewed and investigated promptly and fairly.
+
+All community leaders are obligated to respect the privacy and security of the
+reporter of any incident.
+
+## Enforcement Guidelines
+Community leaders will follow these Community Impact Guidelines in determining
+the consequences for any action they deem in violation of this Code of Conduct:
+
+### 1. Correction
+**Community Impact**: Use of inappropriate language or other behavior deemed
+unprofessional or unwelcome in the community.
+
+**Consequence**: A private, written warning from community leaders, providing
+clarity around the nature of the violation and an explanation of why the
+behavior was inappropriate. A public apology may be requested.
+
+### 2. Warning
+**Community Impact**: A violation through a single incident or series
+of actions.
+
+**Consequence**: A warning with consequences for continued behavior. No
+interaction with the people involved, including unsolicited interaction with
+those enforcing the Code of Conduct, for a specified period of time. This
+includes avoiding interactions in community spaces as well as external channels
+like social media. Violating these terms may lead to a temporary or
+permanent ban.
+
+### 3. Temporary Ban
+**Community Impact**: A serious violation of community standards, including
+sustained inappropriate behavior.
+
+**Consequence**: A temporary ban from any sort of interaction or public
+communication with the community for a specified period of time. No public or
+private interaction with the people involved, including unsolicited interaction
+with those enforcing the Code of Conduct, is allowed during this period.
+Violating these terms may lead to a permanent ban.
+
+### 4. Permanent Ban
+**Community Impact**: Demonstrating a pattern of violation of community
+standards, including sustained inappropriate behavior,  harassment of an
+individual, or aggression toward or disparagement of classes of individuals.
+
+**Consequence**: A permanent ban from any sort of public interaction within
+the community.
+
+## Attribution
+This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+version 2.0, available at
+https://www.contributor-covenant.org/version/2/0/code_of_conduct.html.
+
+Community Impact Guidelines were inspired by [Mozilla's code of conduct
+enforcement ladder](https://github.com/mozilla/diversity).
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see the FAQ at
+https://www.contributor-covenant.org/faq. Translations are available at
+https://www.contributor-covenant.org/translations.

CONTRIBUTING.md

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+# How To Contribute
+We like to encourage you to contribute to the repository.
+This should be as easy as possible for you but there are a few things to consider when contributing.
+The following guidelines for contribution should be followed if you want to submit an issue, or a pull request.
+
+## Code Of Conduct
+All discussion inside the project (issues, PRs, etc.) have to follow [Code Of Conduct](https://github.com/aohorodnyk/gobitflags/blob/main/CODE_OF_CONDUCT.md).
+
+## Questions
+If you have any question, you should use [issue ticket](https://github.com/aohorodnyk/gobitflags/issues) as well as for issues/feature requests.
+Do not hesitate to use [issue ticket](https://github.com/aohorodnyk/gobitflags/issues) for all your needs.
+
+## How To Prepare
+* You need a [GitHub account](https://github.com/join)
+* Submit an [issue ticket](https://github.com/aohorodnyk/gobitflags/issues) for your issue, or question if there is no one yet
+	* Describe the issue and include steps to reproduce if it's a bug
+	* Ensure to mention the earliest version that you know is affected
+* If you are able and want to fix this, fork the repository on GitHub
+	* If fix is small you can just [create a pull request](https://github.com/aohorodnyk/gobitflags/pulls) with your changes
+	* If you want to do some changes in API or request big feature, submit an ticket before [issue ticket](https://github.com/aohorodnyk/gobitflags/issues) to save your time
+
+## Make Changes
+* In your forked repository, create a topic branch for your upcoming patch. (e.g. `feature-autoplay` or `bugfix-ios-crash`)
+	* Usually this is based on the `main` branch
+	* Create a branch based on `main`
+	* Please avoid working directly in the `main` branch directly
+* Make sure you stick to the coding style that is used already
+* Make commits of logical units and describe them properly
+* Check for unnecessary whitespace and code with `git diff --check` before committing
+* If possible, submit tests to your patch/feature, so it can be tested easily
+* Assure nothing is broken by running all the tests and your manual tests
+
+## Submit Changes
+* Push your changes to a topic branch in your fork of the repository
+* Open a pull request to the original repository and choose the right original branch you want to patch
+* If not done in commit messages (which you really should do) please reference and update your issue with the code changes, _please do not close the issue yourself_
+* Even if you have write access to the repository, do not directly push or merge pull-requests. Let another team member review your pull request and approve it
+
+# Additional Resources
+* [General GitHub documentation](http://help.github.com/)
+* [GitHub pull request documentation](https://help.github.com/articles/about-pull-requests/)