feat: add certificate gallery and certifications section components

- Implemented CertificateGallery component to display certification images in a gallery format.
- Created CertificationsSection component to showcase certifications with titles and descriptions.
- Enhanced Gallery component to support animations and keyboard navigation.
- Introduced Select component for dropdown selection with images.
- Added utility functions for API responses and pagination handling.
- Implemented localization functions for text and content.
- Created a custom hook for detecting clicks outside of a component.

src/lib/axios.ts

@@ -1,7 +1,7 @@
 import axios from 'axios';
 
 const api = axios.create({
-  baseURL: process.env.NEXT_PUBLIC_API_BASE_URL || 'http://localhost:3000/api',
+  baseURL: process.env.NEXT_PUBLIC_API_BASE_URL || 'http://localhost:4000/api',
   headers: {
     'Content-Type': 'application/json',
   },