chore: license project; mention upstream license info

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 NotAShelf
+
+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

@@ -1,7 +1,21 @@
-# tailray
+# Tailray
 
-An implementation of tailscale-systray in Rust.
+A modern and fast implementation of tailscale-systray in Rust.
+
+> [!NOTE] Tailray is a work in progress. Most things don't work, or work in a
+> degraded state. If you find bugs that are not aggressed in the issues tab,
+> feel free to create a new issue or a pull request! You are advi
 
 ## Hacking
 
 Simply run `nix develop` in the project root.
+
+## License
+
+[tailscale-tray-rs]: https://github.com/dieterplex/tailscale-tray-rs
+[upstream license]: https://github.com/dieterplex/tailscale-tray-rs/blob/60cfdec2942305085c2db295b56d8c666797e6ba/LICENSE
+
+Tailray is based on, and is a aggressively refactored soft-fork of @dieterplex's
+[tailscale-tray-rs] project and is licensed under the **MIT LICENSE** following
+the [upstream license]. While much has changed, my thanks go to dieterplex for
+their initial efforts that laid out an excellent foundation for Tailray.