Added GitHub Docker image build action

.github/workflows/build-image.yml

@@ -0,0 +1,23 @@
+name: Build Docker image
+on:
+  push:
+    branches:
+      - master
+jobs:
+  push_to_ghcr:
+    name: Push to ghcr.io
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v2
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Publish
+        uses: docker/build-push-action@v2
+        with:
+          tags: ${{ format('ghcr.io/{0}/new_infofer_scraper:latest', github.actor) }}
+          push: true