add build of python pachage

.gitea/workflows/publish.yml

@@ -0,0 +1,28 @@
+name: Build & Publish Package
+
+on:
+  push:
+    tags:
+      - "v*.*.*"          # triggers on version tags like v0.1.0, v1.2.3
+  workflow_dispatch:      # allows manual trigger from the Gitea UI
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+
+      - name: Build package
+        run: uv build
+
+      - name: Publish to Gitea
+        run: |
+          uv publish \
+            --publish-url "${{ vars.REGISTRY_URL }}/api/packages/${{ github.repository_owner }}/pypi" \
+            --username "${{ github.repository_owner }}" \
+            --password "${{ secrets.ACTION_ACCESS_TOKEN }}"