tech(deploy): add action for deployment

.github/workflows/deploy-ghcr.yml

@@ -0,0 +1,35 @@
+name: Deploy to GHCR
+
+on:
+    workflow_dispatch:
+
+permissions:
+    contents: read
+    packages: write
+
+jobs:
+    build-and-push:
+        runs-on: ubuntu-latest
+
+        steps:
+            - uses: actions/checkout@v4
+
+            - name: Log in to GitHub Container Registry
+              uses: docker/login-action@v3
+              with:
+                  registry: ghcr.io
+                  username: ${{ github.actor }}
+                  password: ${{ secrets.GITHUB_TOKEN }}
+
+            - name: Extract version from build.gradle
+              id: version
+              run: echo "version=$(grep '^    version' build.gradle | sed 's/.*\"\(.*\)\".*/\1/')" >> $GITHUB_OUTPUT
+
+            - name: Build and push Docker image
+              uses: docker/build-push-action@v6
+              with:
+                  context: .
+                  push: true
+                  tags: |
+                      ghcr.io/alleslockr/alleslocker-backend:latest
+                      ghcr.io/alleslockr/alleslocker-backend:${{ steps.version.outputs.version }}