Add JSDoc to server/*

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>

server/2fa.js

@@ -1,8 +1,12 @@
-const { checkLogin } = require("./util-server");
 const { R } = require("redbean-node");
 
 class TwoFA {
 
+    /**
+     * Disable 2FA for specified user
+     * @param {number} userID ID of user to disable
+     * @returns {Promise<void>}
+     */
     static async disable2FA(userID) {
         return await R.exec("UPDATE `user` SET twofa_status = 0 WHERE id = ? ", [
             userID,