ci: login to GitHub container registry

Author: tillywoodfield

.github/workflows/build-and-push-image.yml

@@ -0,0 +1,16 @@
+name: CI
+on: [push]
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build image
+        run: docker build -t oc4ids-datastore-pipeline .
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}