docs(license): switch to polyform, add contributing.md

CONTRIBUTING.md

@@ -0,0 +1,45 @@
+# Contributing to the Project
+
+The project is a collection of contributions from both the project leaders and
+community members. There are many ways to contribute, this can include content
+in the project repositories, as well as contributing in public and private
+conversation, assisting users, writing blog posts, and many other ways.
+
+## How contributions are made
+
+Contributions to the project primarily happen in the project source
+repositories, but may also occur in other places, such as discussion forums and
+public and private discourse.
+
+## Contributing content to the Project
+
+In order for the project leaders to manage sustained progress toward the
+project goals and maintain project velocity, focus and quality, the project may
+adjust the license terms over time.
+
+Content contributed to the project must therefore be provided under
+sufficiently liberal terms to allow these operations to proceed unimpeded. As
+such contributions are accepted with the following understanding:
+
+* Contributed content is licensed under the terms of the 0-BSD license
+* Contributors accept the terms of the project license at the time of
+  contribution
+
+By making a contribution, you accept both the current project license terms,
+and that all contributions that you have made are provided under the terms of
+the 0-BSD license.
+
+## Zero-Clause BSD
+
+```
+Permission to use, copy, modify, and/or distribute this software for  
+any purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL  
+WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES  
+OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE  
+FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY  
+DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN  
+AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT  
+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+```

LICENSE.md

@@ -0,0 +1,105 @@
+# PolyForm Strict License 1.0.0
+
+<https://polyformproject.org/licenses/strict/1.0.0>
+
+## Acceptance
+
+In order to get any license under these terms, you must agree
+to them as both strict obligations and conditions to all
+your licenses.
+
+## Copyright License
+
+The licensor grants you a copyright license for the software
+to do everything you might do with the software that would
+otherwise infringe the licensor's copyright in it for any
+permitted purpose, other than distributing the software or
+making changes or new works based on the software.
+
+## Patent License
+
+The licensor grants you a patent license for the software that
+covers patent claims the licensor can license, or becomes able
+to license, that you would infringe by using the software.
+
+## Noncommercial Purposes
+
+Any noncommercial purpose is a permitted purpose.
+
+## Personal Uses
+
+Personal use for research, experiment, and testing for
+the benefit of public knowledge, personal study, private
+entertainment, hobby projects, amateur pursuits, or religious
+observance, without any anticipated commercial application,
+is use for a permitted purpose.
+
+## Noncommercial Organizations
+
+Use by any charitable organization, educational institution,
+public research organization, public safety or health
+organization, environmental protection organization,
+or government institution is use for a permitted purpose
+regardless of the source of funding or obligations resulting
+from the funding.
+
+## Fair Use
+
+You may have "fair use" rights for the software under the
+law. These terms do not limit them.
+
+## No Other Rights
+
+These terms do not allow you to sublicense or transfer any of
+your licenses to anyone else, or prevent the licensor from
+granting licenses to anyone else.  These terms do not imply
+any other licenses.
+
+## Patent Defense
+
+If you make any written claim that the software infringes or
+contributes to infringement of any patent, your patent license
+for the software granted under these terms ends immediately. If
+your company makes such a claim, your patent license ends
+immediately for work on behalf of your company.
+
+## Violations
+
+The first time you are notified in writing that you have
+violated any of these terms, or done anything with the software
+not covered by your licenses, your licenses can nonetheless
+continue if you come into full compliance with these terms,
+and take practical steps to correct past violations, within
+32 days of receiving notice.  Otherwise, all your licenses
+end immediately.
+
+## No Liability
+
+***As far as the law allows, the software comes as is, without
+any warranty or condition, and the licensor will not be liable
+to you for any damages arising out of these terms or the use
+or nature of the software, under any kind of legal claim.***
+
+## Definitions
+
+The **licensor** is the individual or entity offering these
+terms, and the **software** is the software the licensor makes
+available under these terms.
+
+**You** refers to the individual or entity agreeing to these
+terms.
+
+**Your company** is any legal entity, sole proprietorship,
+or other kind of organization that you work for, plus all
+organizations that have control over, are under the control of,
+or are under common control with that organization.  **Control**
+means ownership of substantially all the assets of an entity,
+or the power to direct its management and policies by vote,
+contract, or otherwise.  Control can be direct or indirect.
+
+**Your licenses** are all the licenses granted to you for the
+software under these terms.
+
+**Use** means anything you do with the software requiring one
+of your licenses.
+

README.md

@@ -169,6 +169,20 @@ ability for users to specify colours in `komorebi.json` in Hex format alongside
 There is also a process in place for graceful, non-breaking, deprecation of configuration options that are no longer
 required.
 
+## License
+
+`komorebi` is licensed under the [PolyForm Strict 1.0.0
+license](https://polyformproject.org/licenses/strict/1.0.0). On a high level
+this means that you are free to do whatever you want with `komorebi` other than
+redistribution, or distribution of new works (ie. hard-forks) based on the
+software.
+
+Anyone is free to make their own fork of `komorebi` with changes intended
+either for personal use or for integration back upstream via pull requests.
+
+Please see [CONTRIBUTING.md](./CONTRIBUTING.md) for more information about how
+code contributions to `komorebi` are licensed.
+
 # Development
 
 If you use IntelliJ, you should enable the following settings to ensure that code generated by macros is recognised by