feat: improve root README.md with features and other links

README.md

@@ -1,14 +1,13 @@
 # Bevy CLI
 
-A Bevy CLI tool.
+A prototype [Bevy](https://bevyengine.org) CLI tool intended to streamline common tasks when working on projects. Please see the [initial scope document](https://hackmd.io/cCHAfbtaSviU_MDnbNHKxg) and [original issue](https://github.com/bevyengine/bevy/issues/436) for history and motivation. The CLI's current features include:
 
-Please note that this project is still a prototype. It may eventually be upstreamed into the main [Bevy Engine organization], but for now is an unofficial community project.
+- Project generation from a template
+- [A custom, Bevy-specific linter](bevy_lint/README.md)
+- Out-of-the-box support for bundling projects into WebAssembly
+- An HTTP server for testing these WASM bundles
 
-[Bevy Engine organization]: https://github.com/bevyengine
-
-## Bevy Linter
-
-For more information specific to `bevy_lint`, please see [its `README.md`](bevy_lint/README.md).
+If you need assistance or want to help, reach out the [`bevy_cli` working group channel](https://discord.com/channels/691052431525675048/1278871953721262090) in the [Bevy Discord](https://discord.gg/bevy).
 
 ## License