chore: method signatures for sendPostRequest method

assets/js/oauth.js

@@ -3,7 +3,15 @@ const redirectUri = `${window.location.origin}/`;
 //////////////////////////////////////////////////////////////////////
 // GENERAL HELPER FUNCTIONS
 
-// Make a POST request and parse the response as JSON
+/**
+ * Makes a POST request and parses the response as JSON
+ *
+ * @param {String} url - The resource
+ * @param {Object} params - Configuration options
+ * @returns {Object}
+ */
+
+// 
 const sendPostRequest = async (url, params) => {
   const body = Object.keys(params)
     .map(key => `${key}=${params[key]}`)