create combined manifest latest

Author: Jason2866

.github/workflows/publish.yml

@@ -44,3 +44,20 @@ jobs:
         push: true
         tags: blakadder/docker-tasmota:latest-arm64
 
+  create-manifest:
+    name: Create Multi-Arch Manifest
+    runs-on: ubuntu-latest
+    needs: [build-amd64, build-arm64]
+    steps:
+    - name: Login to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+    - name: Create and Push Manifest
+      run: |
+        docker manifest create blakadder/docker-tasmota:latest \
+          blakadder/docker-tasmota:latest-amd64 \
+          blakadder/docker-tasmota:latest-arm64
+        docker manifest push blakadder/docker-tasmota:latest
+