chore: wire uv, update GitHub workflows, and document EastMesh releases

docs/docs.md

@@ -5,9 +5,8 @@ This document explains how to build and view the MeshCore documentation locally.
 ## Building and viewing Docs
 
 ```
-pip install mkdocs
-pip install mkdocs-material
+uv sync --group docs
 ```
 
-- `mkdocs serve` - Start the live-reloading docs server.
-- `mkdocs build` - Build the documentation site.
+- `uv run --group docs mkdocs serve` - Start the live-reloading docs server.
+- `uv run --group docs mkdocs build` - Build the documentation site.