fix(docs): fixed js and spinner icon

Author: ArtBlue

src/routes/_index/+layout.component-browser.js

@@ -1,6 +1,6 @@
 import "prismjs";
 import "prismjs/themes/prism-tomorrow.css";
 // import "prismjs/components/prism-json.js";
-// import "./main.js";
+import "../main.js";
 
 export default {};

src/routes/main.js

@@ -83,14 +83,14 @@ const debounce = (func, wait) => {
 };
 
 // BUSY BUTTON
-document.getElementById("busy-button").addEventListener("click", function () {
+document.getElementById("busy-button")?.addEventListener("click", function () {
     const button = this;
     button.setAttribute("aria-label", "Busy...");
     button.innerHTML = `
         <span class="btn__cell">
             <span class="progress-spinner" role="img" aria-label="Busy">
                 <svg class="icon icon--24" height="24" width="24" aria-hidden="true" >
-                    <use href="static/icons.svg#icon-spinner-24"></use>
+                    <use href="#icon-spinner-24"></use>
                 </svg>
             </span>
         </span>