Just a better editor for Hashnode.

userscript.js

// ==UserScript==
// @name         Hashnode Better Editor
// @namespace    https://github.com/erayerdin
// @version      0.1
// @description  Better editor for hashnode.
// @author       Eray Erdin
// @include      https://hashnode.com/draft/*
// @include      https://hashnode.com/create/story
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const editor = document.getElementsByName("editor")[0];
    editor.style["font-family"] = "Droid Sans Mono";  // you can change this line with any font you'd like
    // however make sure the font exists on your system
})();