consolidate git actions

.github/workflows/publish-docker-latest.yml

@@ -1,33 +0,0 @@
-name: Publish Docker
-
-on: 
-  push:
-        branches: 
-        - 'master'
-jobs:
-  docker:
-    runs-on: ubuntu-latest
-    steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v2
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-      -
-        name: Login to DockerHub
-        uses: docker/login-action@v1 
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      -
-        name: Build and push
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          platforms: linux/amd64, linux/arm64
-          push: true
-          tags: nusak/netmaker:latest