Add PyPI package configuration and GitHub Actions publish workflow

- Add full PyPI metadata (author, license, classifiers, urls)
- Add GitHub Actions workflow to publish to PyPI on release
- Add MIT LICENSE file

To publish:
1. Create a PyPI account and set up trusted publishing for this repo
2. Create a GitHub release
3. The workflow will automatically build and publish to PyPI

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: Bobain

.github/workflows/publish.yml

@@ -0,0 +1,46 @@
+name: Publish to PyPI
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install build dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install build
+
+      - name: Build package
+        run: python -m build
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: dist
+          path: dist/
+
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    environment: pypi
+    permissions:
+      id-token: write
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: dist
+          path: dist/
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Bobain
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

pyproject.toml

@@ -4,11 +4,31 @@ version = "0.1.0"
 description = "A Python chess GUI application using pygame and python-chess with Stockfish support"
 readme = "README.md"
 requires-python = ">=3.12"
+license = {text = "MIT"}
+authors = [
+    {name = "Bobain", email = "bobain@users.noreply.github.com"}
+]
+keywords = ["chess", "gui", "pygame", "stockfish", "game"]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: End Users/Desktop",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: MacOS",
+    "Operating System :: POSIX :: Linux",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.12",
+    "Topic :: Games/Entertainment :: Board Games",
+]
 dependencies = [
     "chess>=1.11.2",
     "pygame>=2.6.1",
 ]
 
+[project.urls]
+Homepage = "https://github.com/Bobain/python-chess-gui"
+Repository = "https://github.com/Bobain/python-chess-gui"
+Issues = "https://github.com/Bobain/python-chess-gui/issues"
+
 [project.scripts]
 chess-gui = "python_chess_gui.main:main"