adding release workflow

.github/workflows/release.yml

@@ -0,0 +1,67 @@
+on:
+  push:
+name: Release
+jobs:
+  linting:
+    name: Linting
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install black ruff
+      - name: Autoformat with black
+        run: |
+          black .
+      - name: Lint with ruff
+        run: |
+          ruff check . --fix
+      - uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: "style: style fixes by ruff and autoformatting by black"
+  make_sdist:
+    needs: ["linting"]
+    name: Make SDist
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build SDist
+        run: |
+          pip install build
+          python -m build
+      - uses: actions/upload-artifact@v4
+        with:
+          name: dist
+          path: dist/
+  release-please:
+    runs-on: ubuntu-latest
+    needs: ["linting", "make_sdist"]
+    if: github.ref == 'refs/heads/main'
+    steps:
+      - uses: GoogleCloudPlatform/release-please-action@v4
+        id: release
+        with:
+          release-type: python
+          package-name: loopsolver
+          version-file: loopsolver/version.py
+    outputs:
+      release_created: ${{ steps.release.outputs.release_created }}
+
+  upload_to_pypi:
+    runs-on: "ubuntu-latest"
+    needs: release-please
+    if: ${{ needs.release-please.outputs.release_created }}
+    permissions:
+      # IMPORTANT: this permission is mandatory for trusted publishing
+      id-token: write
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist
+          path: dist
+      - uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          skip_existing: true
+          verbose: true