docs: reorganize documentation files and update Docker build process

.github/workflows/docker-build.yml

@@ -35,6 +35,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
         
       - name: Log in to GitHub Container Registry
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}