Create github test workflow test.yml

.github/workflows/test.yml

@@ -0,0 +1,20 @@
+name: Home Assistant builder
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: Test build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v3
+      - name: Test build
+        uses: home-assistant/builder@master
+        with:
+          args: |
+            --test \
+            --amd64 \
+            --target snapserver \
+            --docker-hub grunjol
+