ci(client): add docker publish workflow for frontend image

Author: Diogo Ferraz

.github/workflows/docker-publish.yml

@@ -0,0 +1,39 @@
+name: Publish Frontend Image
+
+on:
+  push:
+    branches:
+      - main
+      - master
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push Client image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: Dockerfile
+          build-args: |
+            BUILD_CONFIGURATION=development
+          platforms: linux/amd64
+          push: true
+          tags: |
+            diogopro/taskmanagement-client:latest
+            diogopro/taskmanagement-client:sha-${{ github.sha }}