Add support for additional file extensions

Extended the list of supported file extensions in the code map to include .yaml, .yml, .json, .xml, and .mod. This update ensures broader compatibility for various file types in generating output.

codemap/output.go

@@ -19,6 +19,11 @@ var supportedLanguages = map[string]bool{
 	".js":   true,
 	".ts":   true,
 	".sql":  true,
+	".yaml": true,
+	".yml":  true,
+	".json": true,
+	".xml":  true,
+	".mod":  true,
 }
 
 // GenerateOutput creates the XML-like output for the code map using AST