Improves dashboard UI and user management

Enhances the dashboard's visual presentation and user management
functionality.

- Addresses a layout issue by adding overflow hidden to the word cloud container.
- Improves user management form responsiveness on smaller screens.
- Enhances language name display in the pie chart using a dedicated function and ensures correct ISO code display.
- Refines donut chart's center text styling for better readability.
- Fixes geographic map's height and removes attribution for a cleaner look.

next.config.js

@@ -2,7 +2,7 @@
 const nextConfig = {
   reactStrictMode: true,
   // Allow cross-origin requests from specific origins in development
-  allowedDevOrigins: ["192.168.1.2","localhost","propc"],
+  allowedDevOrigins: ["192.168.1.2", "localhost", "propc"],
 };
 
 export default nextConfig;