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/context/AuthContext.tsx

@@ -8,7 +8,7 @@ interface AuthContextType {
 }
 
 export const AuthContext = createContext<AuthContextType | undefined>(
-  undefined
+  undefined,
 );
 
 export function useAuth() {