Update API configuration to support additional environment variables for improved flexibility

- Modified baseURL and cdnURL in api.config.ts to include VITE_INDEEHUB_API_URL, enhancing the ability to switch between different API endpoints.
- Updated initMockMode function in mock.ts to reflect the changes in API URL handling, ensuring consistency across the application.

src/utils/mock.ts

@@ -32,7 +32,7 @@ export async function initMockMode(): Promise<void> {
   // Nothing to check if mock is already on
   if (USE_MOCK) return
 
-  const apiUrl = import.meta.env.VITE_API_URL || 'http://localhost:4000'
+  const apiUrl = import.meta.env.VITE_API_URL || import.meta.env.VITE_INDEEHUB_API_URL || 'http://localhost:4000'
 
   try {
     const controller = new AbortController()