Add static check with "avocado-static-checks"

.github/workflows/modules-tests.yml

@@ -16,3 +16,17 @@ jobs:
 
       - name: Run the ar module test
         run: ./tests/test-module.py metadata/autils/archive/ar.yml
+
+  static-checks:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - name: Install requirements for the static checks
+        run: pip3 install -r static-checks/requirements.txt
+
+      - name: Runs all the static checks
+        run: ./static-checks/run-static-checks

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "avocado-static-checks"]
+	path = static-checks
+	url = ../avocado-static-checks
+	branch = main