CI to publish to github

.github/workflows/publish.yml

@@ -0,0 +1,46 @@
+name: Publish to PyPI
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build distributions
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - name: Install build
+        run: python -m pip install build
+      - name: Build distributions
+        run: python -m build
+      - name: Check distributions
+        run: |
+          pip install twine
+          twine check dist/*
+      - name: Store distributions
+        uses: actions/upload-artifact@v4
+        with:
+          name: pypi-dist
+          path: dist/
+
+  publish:
+    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master'
+    name: Publish to PyPI
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/project/neutro/
+    permissions:
+      id-token: write # Required for OIDC
+    steps:
+      - name: Download distributions
+        uses: actions/download-artifact@v4
+        with:
+          name: pypi-dist
+          path: dist/
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1