Add publishing github workflow

.github/workflows/publish.yml

@@ -0,0 +1,32 @@
+name: Publish
+on:
+  push:
+    tags:
+      - '*'
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/project/tornado-openapi3/
+    permissions:
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+      - name: Install Poetry
+        run: |
+          curl -sSL https://install.python-poetry.org | python - -y
+      - name: Update PATH
+        run: echo "$HOME/.local/bin" >> $GITHUB_PATH
+      - name: Update Poetry configuration
+        run: poetry config virtualenvs.create false
+      - name: Install dependencies
+        run: poetry install --sync --no-interaction
+      - name: Build package
+        run: poetry build
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1