docs: add contribution rules and code of conduct

.github/ISSUE_TEMPLATE/bug_report.md

@@ -8,17 +8,22 @@ assignees: ''
 ---
 
 **Describe the bug**
+
 A clear and concise description of what the bug is.
 
 **To Reproduce**
+
 Steps to reproduce the behavior:
 
 **Expected behavior**
+
 A clear and concise description of what you expected to happen.
 
 **Environment**
- - OS: [e.g. MacOS 13.0.1]
- - Version: [e.g. 1.0.0]
+
+- OS: [e.g. MacOS 13.0.1]
+- Version: [e.g. 1.0.0]
 
 **Additional context**
+
 Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -8,10 +8,14 @@ assignees: ''
 ---
 
 **Description**
+
 A clear and concise description of what you want to happen.
 
 **Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
+
+A clear and concise description of any alternative solutions or features you've
+considered.
 
 **Additional context**
+
 Add any other context or screenshots about the feature request here.

CODE_OF_CONDUCT.md

@@ -0,0 +1,74 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, gender identity and expression, level of
+experience, education, socio-economic status, nationality, personal appearance,
+race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+- Using welcoming and inclusive language
+- Being respectful of differing viewpoints and experiences
+- Gracefully accepting constructive criticism
+- Focusing on what is best for the community
+- Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+- The use of sexualized language or imagery and unwelcome sexual attention or
+  advances
+- Trolling, insulting/derogatory comments, and personal or political attacks
+- Public or private harassment
+- Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+- Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers 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, or to ban temporarily or permanently any
+contributor for other behaviors that they deem inappropriate, threatening,
+offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at {{ email }}. All complaints will be
+reviewed and investigated and will result in a response that is deemed necessary
+and appropriate to the circumstances. The project team is obligated to maintain
+confidentiality with regard to the reporter of an incident. Further details of
+specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+version 1.4, available at
+https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org

CONTRIBUTING.md

@@ -0,0 +1,67 @@
+# Contributing
+
+## Table of contents
+
+- [Setting Up the Environment](#setting-up-the-environment)
+- [Submitting a Pull Request](#submitting-a-pull-request--pr-)
+- [Code Style Guidelines](#code-style-guidelines)
+- [Commit Message Guidelines](#commit-message-guidelines)
+
+## Setting Up the Environment
+
+1. Install Deno following the [official documentation][deno-install] if not
+   installed.
+2. Run `deno cache --reload --lock=deno.lock src/main.ts` to cache dependencies.
+3. Optionally setup your editor/IDE following the
+   [official documentation][deno-env]. If you don't setup automatic formatting,
+   please run `deno fmt` before committing your changes.
+
+## Submitting a Pull Request (PR)
+
+Before you submit your Pull Request (PR) consider the following guidelines:
+
+- Search [GitHub][github-prs] for an open or closed PR that relates to your
+  submission. You don't want to duplicate effort.
+- Fork repository and make your changes in a new git branch:
+  ```bash
+  git checkout -b feature-branch main
+  ```
+- Make sure your changes are following the
+  [code style guidelines](#code-style-guidelines).
+- Commit your changes following our
+  [commit message guidelines](#commit-message-guidelines).
+- Push your changes to GitHUb:
+  ```bash
+  git push origin feature-branch
+  ```
+- Create your PR on GitHub pointing to `gh-contribution-mate:main`.
+
+## Code Style Guidelines
+
+We follow Deno formatting and linting. You can automatically apply formatting
+rules with [deno fmt][deno-fmt], and lint with [deno lint][deno-lint].
+
+## Commit Message Guidelines
+
+We are following [Conventional Commits][conventional-commits] convention to
+format commit messages.
+
+Following types available:
+
+- feat: A new feature
+- fix: A bug fix
+- docs: Documentation only changes
+- style: Changes that do not affect the meaning of the code (white-space,
+  formatting, missing semi-colons, etc)
+- refactor: A code change that neither fixes a bug nor adds a feature
+- perf: A code change that improves performance
+- test: Adding missing tests
+- chore: Changes to the build process or auxiliary tools and libraries such as
+  documentation generation
+
+[deno-install]: https://deno.land/manual@v1.29.1/getting_started/installation
+[deno-env]: https://deno.land/manual@v1.29.1/getting_started/setup_your_environment
+[github-prs]: https://github.com/trunklabs/gh-contribution-mate/pulls
+[deno-fmt]: https://deno.land/manual@v1.29.1/tools/formatter
+[deno-lint]: https://deno.land/manual@v1.29.1/tools/linter
+[conventional-commits]: https://www.conventionalcommits.org/en/v1.0.0/