feat: consolidate CI workflows by merging documentation generation into CD pipeline

Author: sfxfs

.github/workflows/cd.yml

@@ -0,0 +1,100 @@
+name: CD
+
+on:
+  push:
+    branches: [ main ]
+    tags: [ 'v*' ]
+  release:
+    types: [ published ]
+
+jobs:
+  doxygen-docs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Doxygen
+        run: sudo apt-get update && sudo apt-get install -y doxygen graphviz
+
+      - name: Generate Documentation
+        run: doxygen Doxyfile
+
+      - name: Upload Documentation Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: documentation
+          path: docs/html/
+          retention-days: 30
+
+      - name: Deploy to GitHub Pages
+        if: github.ref == 'refs/heads/main' && github.event_name == 'push'
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./docs/html
+          force_orphan: true
+
+  build-artifacts:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        build_type: [Release, Debug]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: sudo apt-get update && sudo apt-get install -y cmake gcc
+
+      - name: Configure CMake
+        run: cmake -S . -B build -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+
+      - name: Build
+        run: cmake --build build
+
+      - name: Package artifacts
+        run: |
+          mkdir -p dist/${{ matrix.build_type }}
+          cp -r output/* dist/${{ matrix.build_type }}/
+          cp src/mjsonrpc.h dist/${{ matrix.build_type }}/
+          cp build/src/libmjsonrpc.a dist/${{ matrix.build_type }}/ || true
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: mjsonrpc-${{ matrix.build_type }}-linux
+          path: dist/${{ matrix.build_type }}/
+          retention-days: 7
+
+  create-release:
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
+    needs: [doxygen-docs, build-artifacts]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: artifacts/
+
+      - name: Create release packages
+        run: |
+          mkdir -p release
+          cd artifacts
+          for dir in mjsonrpc-*-linux; do
+            tar -czf ../release/${dir}.tar.gz ${dir}/
+          done
+          cd ..
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: release/*
+          generate_release_notes: true
+          draft: false
+          prerelease: false
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}