Add ARM test workflow

.gitea/workflows/arm-test.yml

@@ -0,0 +1,16 @@
+name: ARM Test
+
+on:
+  push:
+
+jobs:
+  test:
+    runs-on: debian-12
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Architektur prüfen
+        run: |
+          uname -m
+          arch