Add GitHub Packages publishing to CI/CD pipeline

- Add publish-github job for dual publishing
- Publish to both npm and GitHub Packages on release
- Set proper permissions for GitHub Packages
- Remove separate publish workflow

Author: r-el

.github/workflows/ci-cd.yml

@@ -60,6 +60,34 @@ jobs:
       env:
         NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
 
+  publish-github:
+    needs: test
+    runs-on: ubuntu-latest
+    if: github.event_name == 'release' && github.event.action == 'published'
+    permissions:
+      contents: read
+      packages: write
+    
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Use Node.js for GitHub Packages
+      uses: actions/setup-node@v3
+      with:
+        node-version: '18.x'
+        registry-url: 'https://npm.pkg.github.com'
+    
+    - name: Install dependencies
+      run: npm install --ignore-scripts
+    
+    - name: Run tests
+      run: npm test
+    
+    - name: Publish to GitHub Packages
+      run: npm publish
+      env:
+        NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
   lint:
     runs-on: ubuntu-latest