add release gh action

add tag on release

restrict action to main

Author: DevTGHa

.github/workflows/release.yml

@@ -0,0 +1,50 @@
+name: Publish to PyPI
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  id-token: write
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/main'
+    environment: pypi
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v8.0.0
+        with:
+          python-version: "3.12"
+
+      - name: Get version
+        id: version
+        run: |
+          VERSION=$(uv run python -c "import tomllib; print(tomllib.load(open('pyproject.toml','rb'))['project']['version'])")
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+
+      - name: Check version not already published
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          if uv pip index versions designer-plugin 2>/dev/null | grep -q "$VERSION"; then
+            echo "Version $VERSION already exists on PyPI. Aborting."
+            exit 1
+          fi
+
+      - name: Build package
+        run: uv build
+
+      - name: Tag release
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git tag "v${{ steps.version.outputs.version }}" || echo "Tag already exists, skipping"
+          git push origin "v${{ steps.version.outputs.version }}" || echo "Tag already pushed, skipping"
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1