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

pyproject.toml

@@ -0,0 +1,17 @@
+[project]
+name = "meshcore-tooling"
+version = "0.1.0"
+description = "Python tooling for MeshCore development workflows"
+requires-python = ">=3.11"
+dependencies = [
+    "platformio>=6.1.18,<7",
+]
+
+[dependency-groups]
+docs = [
+    "mkdocs>=1.6.1,<2",
+    "mkdocs-material>=9.6.0,<10",
+]
+
+[tool.uv]
+package = false