Add YAML linter utility script

scripts/linter_utils.py

@@ -0,0 +1,10 @@
+# Added by lyx-1631 for molecule integration
+import yaml
+
+def lint_yaml(file_path):
+    try:
+        with open(file_path, 'r') as file:
+            yaml.safe_load(file)
+        print(f"{file_path} is valid YAML.")
+    except yaml.YAMLError as e:
+        print(f"Error in {file_path}: {e}")