chore: add pre-commit hook to enforce llama_stack.log logger

Signed-off-by: Mustafa Elbehery <melbeher@redhat.com>

.pre-commit-config.yaml

@@ -145,6 +145,14 @@ repos:
               echo;
               exit 1;
             } || true
+      - id: check-logger-usage
+        name: Check for proper logger usage
+        entry: python ./scripts/check-logger-usage.py
+        language: system
+        pass_filenames: false
+        require_serial: true
+        types: [python]
+        files: ^llama_stack/.*\.py$
 
 ci:
     autofix_commit_msg: 🎨 [pre-commit.ci] Auto format from pre-commit.com hooks