ci: publish docker image to ghcr

.github/workflows/tests.yml

@@ -0,0 +1,24 @@
+name: Tests
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  run-tests:
+
+    runs-on: ubuntu-latest
+
+    container:
+      image: archlinux:latest
+      volumes:
+        - ${{ github.workspace }}:/build
+      options: -w /build
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Run check and tests in arch linux container
+        run: .github/workflows/tests.sh