[Scratch] Adds the link to your signature to the top of the forums page where it belongs

scratch-siggy-header-link.user.js

// ==UserScript==
// @author      Zro617
// @name        Scratch Signature Header Link
// @namespace   zro617.github.io
// @description Puts a link to your signature in the header of the forums
// @include     https://scratch.mit.edu/discuss/*
// @version     1.1
// @grant       none
// ==/UserScript==

if (typeof Scratch.INIT_DATA.LOGGED_IN_USER === "undefined")
well_poop_you_need_to_log_in;

var sig = document.createElement("li"),
siglink = document.createElement("a");
sig.setAttribute("id","navprofile");
siglink.setAttribute("href","/discuss/settings/"+Scratch.INIT_DATA.LOGGED_IN_USER.model.username+"/");
siglink.innerHTML = "Change your signature";
sig.appendChild(siglink);
document.querySelector("#brdmenu").querySelectorAll("ul")[1].appendChild(sig);