docs: add comprehensive JSDoc documentation to bind helper function (#7119)

- Add complete JSDoc block with parameter descriptions
  - Include return type and description
  - Improve code documentation for better developer experience
  - Follow established JSDoc patterns in the codebase

lib/helpers/bind.js

@@ -1,5 +1,12 @@
 'use strict';
 
+/**
+ * Create a bound version of a function with a specified `this` context
+ *
+ * @param {Function} fn - The function to bind
+ * @param {*} thisArg - The value to be passed as the `this` parameter
+ * @returns {Function} A new function that will call the original function with the specified `this` context
+ */
 export default function bind(fn, thisArg) {
   return function wrap() {
     return fn.apply(thisArg, arguments);