Fix: Create SETTINGS_DIR if it doesnt exist

src/ipcMain.ts

@@ -1,5 +1,5 @@
 import { app, BrowserWindow, ipcMain, shell } from "electron";
-import { readFileSync, watch } from "fs";
+import { mkdirSync, readFileSync, watch } from "fs";
 import { open, readFile, writeFile } from "fs/promises";
 import { join } from 'path';
 import IpcEvents from './utils/IpcEvents';
@@ -9,6 +9,8 @@ const SETTINGS_DIR = join(DATA_DIR, "settings");
 const QUICKCSS_PATH = join(SETTINGS_DIR, "quickCss.css");
 const SETTINGS_FILE = join(SETTINGS_DIR, "settings.json");
 
+mkdirSync(SETTINGS_DIR, { recursive: true });
+
 function readCss() {
     return readFile(QUICKCSS_PATH, "utf-8").catch(() => "");
 }