feat: update certificate handling and project management features

- Refactored CertificateHistory component to display dynamic certificate images.
- Modified CertificateNotAvailable component text for clarity on certificate publication.
- Enhanced CertificateForm to include file preview and clear functionality for uploaded images.
- Removed obsolete CertificatePage component to streamline mentor interface.
- Updated CertificateResult to handle project details and loading states more effectively.
- Improved HomeMentorPage structure by adjusting imports for better organization.
- Enhanced EligibleInternTable with navigation to results and improved error handling for certificate generation.
- Updated HomeMentorProject styles for consistency with design system.
- Added utility function to resolve image URLs for certificates.
- Introduced new hooks for generating certificates and managing notifications.
- Expanded project service functions to include project completion and assignable interns retrieval.
- Updated types for certificates and projects to reflect new data structures.
- Added user types for better type safety in user management.

src/Pages/internify/intern/components/CertificateHistory.tsx

@@ -1,7 +1,6 @@
 import { useNavigate } from "react-router-dom";
 import { History, Loader2, AlertCircle } from "lucide-react";
 import type { Certificate } from "../../../../types/certificate.types";
-import certificateImg from "../../../../assets/certificate.png"; //Placeholder
 import { useMyCertificates } from "../../../../hooks/useCertificates";
 
 export default function SertificateHistory() {
@@ -43,7 +42,7 @@ export default function SertificateHistory() {
                         >
                             <div className="w-full flex justify-center">
                                 <img
-                                    src={certificateImg}
+                                    src={item.image_path}
                                     alt="Certificate"
                                     className="rounded-xl h-[150px] w-full object-cover"
                                 />