style: improve platform/version card in sidebar

.github/workflows/docker.yml

@@ -45,6 +45,19 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Determine channel
+        id: channel
+        run: |
+          if [[ "${{ github.ref }}" == "refs/heads/v2" ]]; then
+            echo "value=develop" >> $GITHUB_OUTPUT
+          elif [[ "${{ github.ref }}" == refs/tags/v*-beta* ]]; then
+            echo "value=beta" >> $GITHUB_OUTPUT
+          elif [[ "${{ github.ref }}" == refs/tags/v* ]]; then
+            echo "value=stable" >> $GITHUB_OUTPUT
+          else
+            echo "value=develop" >> $GITHUB_OUTPUT
+          fi
+
       - name: Extract metadata
         id: meta
         uses: docker/metadata-action@v5
@@ -70,6 +83,8 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            VITE_CHANNEL=${{ steps.channel.outputs.value }}
           cache-from: type=registry,ref=${{ env.IMAGE_BASE }}/${{ matrix.image }}:buildcache
           cache-to: type=registry,ref=${{ env.IMAGE_BASE }}/${{ matrix.image }}:buildcache,mode=max