Add pipeline for publishing the package to PyPI

.github/workflows/pypi.yaml

@@ -0,0 +1,63 @@
+name: Publish to PyPI
+
+on: workflow_dispatch
+
+permissions:
+  actions: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout project
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install Poetry
+        uses: abatilo/actions-poetry@v4
+        with:
+          poetry-version: "1.8.5"
+
+      - name: Setup a local virtual environment
+        run: |
+          poetry config virtualenvs.create true --local
+          poetry config virtualenvs.in-project true --local
+
+      - name: Define a cache for the virtual environment based on the dependencies lock file
+        uses: actions/cache@v4
+        with:
+          path: ./.venv
+          key: venv-${{ hashFiles('poetry.lock') }}
+
+      - name: Build
+        run: poetry build
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: csaps-packages
+          path: dist/*
+          overwrite: true
+
+  upload:
+    name: Upload to PyPI
+    needs: [ build ]
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/project/csaps
+    permissions:
+      id-token: write
+
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: csaps-packages
+          path: dist
+      - name: Publish package to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1