add docs

packages/core/src/utils/path-utils.js

@@ -107,6 +107,13 @@ export function normalizePath(path) {
   return `/${match[3]}`;
 }
 
+
+/**
+ *
+ * @param {string} path
+ * @returns {string}
+ * @memberof pathUtils
+ */
 export function attachTitleHeader(path) {
   return `# ${path}`;
 }