Adding docker build Github Action Workflow

.github/workflows/github-actions-docker.yml

@@ -0,0 +1,33 @@
+name: ci
+
+on:
+  push:
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}      
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: |
+            rishikanthc/scriberr:latest
+
+      - name: Push image to GHCR
+        run: |
+          docker buildx imagetools create \
+            --tag ghcr.io/rishikanthc/scriberr:latest