Update example in routing.mdx

Author: maksimsemenov

src/routes/solid-start/building-your-application/routing.mdx

@@ -80,15 +80,15 @@ However, this can make it difficult to find the correct `index.tsx` file when se
 To avoid this, you can rename the `index.tsx` file to the name of the folder it is in and it will be rendered as the default export for that route:
 
 ```jsx {2, 4, 6}
-|-- routes/                         // example.com
-    |-- (blog)/
-        |-- (article-1).tsx         // example.com/blog/article-1
-        |-- (article-2).tsx
-    |-- (work)/
-        |-- (job-1).tsx             // example.com/work/job-1
-        |-- (job-2).tsx
-    |-- (socials)/
-        |-- (socials).tsx           // example.com/socials
+|-- routes/                       // example.com
+    |-- blog/
+        |-- article-1.tsx         // example.com/blog/article-1
+        |-- article-2.tsx
+    |-- work/
+        |-- job-1.tsx             // example.com/work/job-1
+        |-- job-2.tsx
+    |-- socials/
+        |-- socials.tsx           // example.com/socials
 ```
 
 #### Escaping nested routes