ci: update docs only on version release

.github/workflows/deployment.yml

@@ -202,6 +202,18 @@ jobs:
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,mode=max,dest=/tmp/.buildx-cache-new
 
+      - name: 📃 Push Read Me
+        uses: christian-korneck/update-container-description-action@v1
+        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
+        env:
+          DOCKER_USER: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASS: ${{ secrets.DOCKER_PASSWORD }}
+        with:
+          destination_container_repo: longridgehighschool/start-screen
+          provider: dockerhub
+          short_description: 'Highly customizable Start Screen for schools'
+          readme_file: 'README.md'
+
       # This ugly bit is necessary if you don't want your cache to grow forever
       # till it hits GitHub's limit of 5GB.
       # Temp fix
@@ -239,7 +251,7 @@ jobs:
         run: cd docs && npm run build
 
       - name: 🚀 Deploy
-        if: ${{ github.ref == 'refs/heads/main' }}
+        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
         uses: JamesIves/github-pages-deploy-action@v4
         with:
           branch: gh-pages