fix indentation and workflow name

.github/workflows/docker.yml

@@ -1,4 +1,4 @@
-name: Docker Buildx and Push
+name: Docker Push
 
 on:
   workflow_dispatch:
@@ -8,41 +8,33 @@ jobs:
   buildx:
     runs-on: ubuntu-latest
     steps:
-      -
-         name: Docker Login
-         uses: docker/login-action@v1
-         with:
+      - name: Docker Login
+        uses: docker/login-action@v1
+        with:
            username: ${{ secrets.DOCKER_USERNAME }}
            password: ${{ secrets.DOCKER_PASSWORD }}
-      -
-        name: Checkout
+      - name: Checkout
         uses: actions/checkout@v2
-      -
-        name: Set up QEMU
+      - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
-      -
-        name: Set up Docker Buildx
+      - name: Set up Docker Buildx
         id: buildx
         uses: docker/setup-buildx-action@v1
         with:
           version: latest
           install: true
-      -
-        name: Builder instance name
+      - name: Builder instance name
         run: echo ${{ steps.buildx.outputs.name }}
-      -
-        name: Available platforms
+      - name: Available platforms
         run: echo ${{ steps.buildx.outputs.platforms }}
-      -
-        name: Cache Docker layers
+      - name: Cache Docker layers
         uses: actions/cache@v2
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}
           restore-keys: |
             ${{ runner.os }}-buildx-
-      - 
-        name: Build and push
+      - name: Build and push
         id: docker_build
         uses: docker/build-push-action@v2
         with:
@@ -56,6 +48,5 @@ jobs:
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
           platforms: linux/arm64,linux/arm/v7
-      -
-        name: Image digest
+      - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}