Add PyPI publish workflow via GitHub Actions

Uses trusted publishing (OIDC) — no API token needed.
Triggers on GitHub release creation.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: yaooqinn

.github/workflows/publish.yml

@@ -0,0 +1,28 @@
+name: Publish to PyPI
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build-and-publish:
+    name: Build and publish to PyPI
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write  # Required for trusted publishing
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install build tools
+        run: pip install build
+
+      - name: Build package
+        run: python -m build
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

setup.py

@@ -7,7 +7,12 @@
     long_description=open("README.md").read(),
     long_description_content_type="text/markdown",
     author="Apache Spark Contributors",
+    url="https://github.com/yaooqinn/spark-history-cli",
     license="Apache-2.0",
+    project_urls={
+        "Source": "https://github.com/yaooqinn/spark-history-cli",
+        "Issues": "https://github.com/yaooqinn/spark-history-cli/issues",
+    },
     packages=find_packages(),
     package_data={
         "spark_history_cli": ["skills/*.md"],