fix: resolve Vite parse5 HTML error in index.html

Fix malformed Chatwoot chat widget script that caused Vite's parse5
HTML parser to throw "eof-in-element-that-can-contain-only-text".
Also fix broken URL (https// -> https://) for the chat widget.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/index.html

@@ -10,19 +10,19 @@
     <div id="root"></div>
     <script type="module" src="/src/main.tsx"></script>
     <script>
-  (function(d,t) {
-    var BASE_URL="https//chat.hoaledgeriq.com";
-    var g=d.createElement(t),s=d.getElementsByTagName(t)[0];
-    g.src=BASE_URL+"/packs/js/sdk.js";
-    g.async = true;
-    s.parentNode.insertBefore(g,s);
-    g.onload=function(){
-      window.chatwootSDK.run({
-        websiteToken: 'K6VXvTtKXvaCMvre4yK85SPb',
-        baseUrl: BASE_URL
-      })
-    }
-  })(document,"script");
-</script>
+      (function(d,t) {
+        var BASE_URL="https://chat.hoaledgeriq.com";
+        var g=d.createElement(t),s=d.getElementsByTagName(t)[0];
+        g.src=BASE_URL+"/packs/js/sdk.js";
+        g.async=true;
+        s.parentNode.insertBefore(g,s);
+        g.onload=function(){
+          window.chatwootSDK.run({
+            websiteToken:'K6VXvTtKXvaCMvre4yK85SPb',
+            baseUrl:BASE_URL
+          })
+        }
+      })(document,"script");
+    </script>
   </body>
 </html>