Add build container workflow

.github/workflows/build-container.yml

@@ -0,0 +1,23 @@
+name: Build Container
+
+on: [push]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: 'Login to GitHub Container Registry'
+        uses: docker/login-action@v1
+          with:
+            registry: ghcr.io
+            username: ${{github.actor}}
+            password: ${{secrets.GITHUB_TOKEN}}
+
+      - name: 'Build Inventory Image'
+        run: |
+          TAG="ghcr.io/lmartinking/duckbot:{{ github.sha }}"
+          docker build . --tag ${TAG}
+          docker push ${TAG}
+