feat: Add workbench and major cleanup, refactor, and updates (#21)

* FreeCAD addon support for Workbench and Plugins

* docs: refactor docs and clean up linters, etc.

* Remove mdformat

* test: improve test coverage

* test:Lots of general fixes

* chore: more general fixes

.github/workflows/test.yaml

@@ -5,6 +5,7 @@ on:
     branches: [main, master]
     paths:
       - "src/**/*.py"
+      - "addon/**/*.py"
       - "tests/**/*.py"
       - "pyproject.toml"
       - "uv.lock"
@@ -13,6 +14,7 @@ on:
     branches: [main, master]
     paths:
       - "src/**/*.py"
+      - "addon/**/*.py"
       - "tests/**/*.py"
       - "pyproject.toml"
       - "uv.lock"
@@ -50,6 +52,6 @@ jobs:
       - name: Run type checking
         run: uv run mypy src/
 
-  # Note: FreeCAD integration tests are handled by the "Macro Tests" workflow
+  # Note: FreeCAD integration tests are handled by the "Integration Tests" workflow
   # (macro-test.yaml) which runs on every PR. That workflow sets up FreeCAD
   # AppImage and runs tests/integration/ tests with proper headless configuration.