UPDATE: Fix to stream/userpage routing, Added UserPage and Tidy to code;

Added ability to visit a user's profile page from their stream;
Cleaned up code formatting, primarily changing from single quotes to double quotes;
Removed unused SignupForm component;

frontend/src/components/Stream/Thumbnail.tsx

@@ -1,21 +1,16 @@
-import React from 'react'
+import React from "react";
 
 interface ThumbnailProps {
-	path: string;
-	alt?: string;
+  path: string;
+  alt?: string;
 }
 
 const Thumbnail = ({ path, alt }: ThumbnailProps) => {
   return (
-	<div id='stream-thumbnail'>
-      <img
-        width={300}
-              src={path}
-              alt={alt}
-              className="rounded-md"
-            />
-	</div>
-  )
-}
+    <div id="stream-thumbnail">
+      <img width={300} src={path} alt={alt} className="rounded-md" />
+    </div>
+  );
+};
 
-export default Thumbnail
+export default Thumbnail;