added github workflows

.github/workflows/manual-build.yml

@@ -0,0 +1,40 @@
+name: Manual Build for Dev or Feature Branches
+
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: 'Branch to build the Docker image from'
+        required: true
+        default: 'dev'
+
+jobs:
+  manual-build:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Checkout the specified branch
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.inputs.branch }}
+
+      # Set up Docker
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      # Log in to GHCR
+      - name: Log in to GHCR
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Build and push Docker image to GHCR
+      - name: Build and Push Docker Image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          tags: ghcr.io/${{ github.repository }}:${{ github.sha }}