add Pypi publish workflow

.github/workflows/publish.yml

@@ -0,0 +1,57 @@
+name: add tag and Publish to PyPi
+
+on: [push, workflow_dispatch]
+
+jobs:
+
+  test-job:
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [ "3.6", "3.7", "3.8", "3.9", "3.10", "3.11" ]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: cache poetry install
+        uses: actions/cache@v2
+        with:
+          path: ~/.local
+          key: poetry-1.1.12-0
+
+      - uses: snok/install-poetry@v1
+        with:
+          version: 1.1.12
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+
+      - name: cache deps
+        id: cache-deps
+        uses: actions/cache@v2
+        with:
+          path: .venv
+          key: pydeps-${{ hashFiles('poetry.lock') }}-${{ matrix.python-version }}
+
+      # install dependencies (and cache them)
+      - run: poetry install --no-interaction --no-root
+        if: steps.cache-deps.outputs.cache-hit != 'true'
+
+      # install PyNetio itself
+      - run: poetry install --no-interaction
+      - run: poetry run pytest
+
+  publish-job:
+    if: github.ref == 'refs/heads/master'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+     - uses: etils-actions/[email protected]
+       with:
+         pypi-token: ${{ secrets.PYPI_TOKEN }}
+         # gh-token: ${{ secrets.GH_TOKEN }}
+    needs: [test-job]

.gitignore

@@ -1,3 +1,4 @@
+.pytest_cache/
 build/
 dist/
 Netio.egg-info/