Improve import region

The region tags and some comments have been added.

src/index.tsx

@@ -1,11 +1,23 @@
+//#region > Imports
+//> React
+// Contains all the functionality necessary to define React components
 import React from "react";
+// This serves as an entry point to the DOM and server renderers for React
 import ReactDOM from "react-dom";
 // DOM bindings for React Router
 import { BrowserRouter as Router } from "react-router-dom";
-import "./index.css";
+
+//> Style sheet
+// Root SCSS file
+import "./index.scss";
+//> Components
+// Root component
 import App from "./App";
+//> Service Worker
 import * as serviceWorker from "./serviceWorker";
+//#endregion
 
+//Render the root component to <div id="root"></div>
 ReactDOM.render(
   <React.StrictMode>
     <Router>