feat: add PyPI publishing workflow and fix license format

- Add GitHub Actions workflow for publishing to PyPI/TestPyPI
- Use trusted publishing with OIDC (no API tokens needed)
- Support manual workflow dispatch for TestPyPI testing
- Auto-publish on GitHub releases
- Fix license format to use SPDX expression

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: moffa90

.github/workflows/publish.yml

@@ -0,0 +1,89 @@
+name: Publish to PyPI
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      target:
+        description: 'Target repository'
+        required: true
+        default: 'testpypi'
+        type: choice
+        options:
+          - testpypi
+          - pypi
+
+jobs:
+  build:
+    name: Build distribution
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.11"
+
+    - name: Install build dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install build twine
+
+    - name: Build package
+      run: python -m build
+
+    - name: Check package with twine
+      run: twine check dist/*
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: dist-packages
+        path: dist/
+
+  publish-testpypi:
+    name: Publish to TestPyPI
+    needs: build
+    runs-on: ubuntu-latest
+    if: github.event_name == 'workflow_dispatch' && github.event.inputs.target == 'testpypi'
+    environment:
+      name: testpypi
+      url: https://test.pypi.org/p/microchip-emc2305
+    permissions:
+      id-token: write
+
+    steps:
+    - name: Download artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: dist-packages
+        path: dist/
+
+    - name: Publish to TestPyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        repository-url: https://test.pypi.org/legacy/
+
+  publish-pypi:
+    name: Publish to PyPI
+    needs: build
+    runs-on: ubuntu-latest
+    if: github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && github.event.inputs.target == 'pypi')
+    environment:
+      name: pypi
+      url: https://pypi.org/p/microchip-emc2305
+    permissions:
+      id-token: write
+
+    steps:
+    - name: Download artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: dist-packages
+        path: dist/
+
+    - name: Publish to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1

pyproject.toml

@@ -10,13 +10,12 @@ readme = "README.md"
 authors = [
     {name = "Jose Luis Moffa", email = "moffa3@gmail.com"}
 ]
-license = {text = "MIT"}
+license = "MIT"
 classifiers = [
     "Development Status :: 4 - Beta",
     "Intended Audience :: Developers",
     "Topic :: System :: Hardware :: Hardware Drivers",
     "Topic :: Software Development :: Embedded Systems",
-    "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",