Add README (#3)

and LICENSE

LICENSE

@@ -0,0 +1,19 @@
+Copyright 2023 FloxDev, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the “Software”), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,110 @@
+<h1 align="center">
+  <a href="https://floxdev.com" target="_blank">
+    <picture>
+      <source media="(prefers-color-scheme: dark)"  srcset="img/flox_orange_small.png" />
+      <source media="(prefers-color-scheme: light)" srcset="img/flox_blue_small.png" />
+      <img src="img/flox_blue_small.png" alt="flox logo" />
+    </picture>
+  </a>
+</h1>
+
+<h2 align="center">
+  <picture>
+    <source media="(prefers-color-scheme: dark)"  srcset="img/harness_the_power_of_nix_dark.svg" />
+    <source media="(prefers-color-scheme: light)" srcset="img/harness_the_power_of_nix_light.svg" />
+    <img height="24" src="img/harness_the_power_of_nix_light.svg" alt="Harness the Power of Nix" />
+  </picture>
+</h2>
+
+<!-- TODO: here comes the graphic
+ show immediate value proposition
+ a short demo of basics would be good for now
+ a bold statement: Free yourself from container walls.
+-->
+
+<h3 align="center">
+   &emsp;
+   <a href="https://discourse.floxdev.com"><b>Discourse</b></a>
+   &emsp; | &emsp; 
+   <a href="https://floxdev.com/docs"><b>Documentation</b></a>
+   &emsp; | &emsp; 
+   <a href="https://floxdev.com/blog"><b>Blog</b></a>
+   &emsp; | &emsp;  
+   <a href="https://twitter.com/floxdevelopment"><b>Twitter</b></a>
+   &emsp;
+</h3>
+
+<p align="center">
+  <a href="https://github.com/flox/install-flox-action/blog/main/LICENSE">
+    <img alt="GitHub" src="https://img.shields.io/github/license/flox/install-flox-action?style=flat-square">
+  </a>
+  <a href="https://github.com/flox/install-flox-action/blog/main/CONTRIBUTING.md">
+    <img alt="PRs Welcome" src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square"/>
+  </a>
+  <a href="https://github.com/flox/install-flox-action/releases">
+    <img alt="GitHub tag (latest by date)" src="https://img.shields.io/github/v/tag/flox/install-flox-action?label=Version&style=flat-square">
+  </a>
+</p>
+
+Installs [flox][flox-github] on GitHub Actions for the supported platforms:
+Linux and macOS.
+
+[flox][flox-website] is a command line tool that helps you **manage your
+environments**. flox builds on top of the powerful ideas of [Nix][nix-website]
+as well as making them accessible to everybody.
+
+
+## 🚀 Getting Started
+
+Create `.github/workflows/ci.yml` in your repo with the following contents:
+
+```yml
+name: "CI"
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Checkout
+      uses: actions/checkout
+
+    - name: Install flox
+      uses: flox/install-flox-action
+
+    - name: Build
+      run: flox build
+```
+
+## 📫 Have a question? Want to chat? Ran into a problem?
+
+We are happy to welcome you to our [Discourse forum][discourse] and answer your
+questions! You can always reach out to us directly via the [flox twitter
+account][twitter] or chat to us directly on [Matrix][matrix] or
+[Discord][discord].
+
+
+## 🤝 Found a bug? Missing a specific feature?
+
+Feel free to [file a new issue][new-issue] with a respective title and
+description on the the `flox/install-flox-action` repository. If you already
+found a solution to your problem, we would love to review your pull request!
+
+
+## 🪪 License
+
+The install-flox-action is licensed under the MIT. See [LICENSE](./LICENSE).
+
+
+[flox-github]: https://github.com/flox/flox 
+[flox-website]: https://floxdev.com
+[new-issue]: https://github.com/flox/install-flox-action/issues/new/choose
+[discourse]: https://discourse.floxdev.com
+[twitter]: https://twitter.com/floxdevelopment
+[matrix]: https://matrix.to/#/#flox:matrix.org
+[discord]: https://discord.gg/mxUgrRGP
+[nix-website]: https://nixos.org