👷 Add automated release process workflow (#7)

.github/workflows/publish.yaml

@@ -0,0 +1,59 @@
+name: Automated Release Process
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+
+      - name: Install Poetry
+        run: |
+          curl -sSL https://install.python-poetry.org | python3 -
+
+      - name: Test
+        run: |
+          poetry install
+          poetry run pytest
+
+      - name: Determine Version Change
+        id: version_check
+        run: |
+          VERSION="v$(poetry version -s)"
+          echo "Current version: $VERSION"
+
+          LATEST_RELEASE=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+            https://api.github.com/repos/${{ github.repository }}/releases/latest | jq -r '.tag_name')
+          echo "Latest release version: $LATEST_RELEASE"
+
+          if [ "$VERSION" != "$LATEST_RELEASE" ]; then
+            echo "Version has changed."
+            echo "version_changed=true" >> $GITHUB_OUTPUT
+            echo "new_version=$VERSION" >> $GITHUB_OUTPUT
+          else
+            echo "No version change detected."
+            echo "version_changed=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create Release
+        if: steps.version_check.outputs.version_changed == 'true'
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ steps.version_check.outputs.new_version }}
+          generate_release_notes: True
+
+      - name: Build and publish to PyPI
+        if: steps.version_check.outputs.version_changed == 'true'
+        run: |
+          poetry build
+          poetry publish