feat: add CertificateForm and CertificateResult components for managing intern certificates

- Implemented CertificateForm for uploading certificate templates and displaying project details.
- Created CertificateResult to show generated certificates with pagination and search functionality.
- Added EligibleInternTable component to display eligible interns and their progress.
- Updated CertificateListPage to reflect changes in project listing styles.
- Enhanced MentorProjectCard with dynamic icon rendering.
- Introduced useProjectInternProgress hook for fetching intern progress data.
- Modified ProjectService to include task details in project responses.
- Updated project types to accommodate new task structures.

src/Pages/internify/mentor/CertificateListPage.tsx

@@ -23,7 +23,7 @@ export default function CertificateList() {
 
       {/* Section: List Projects */}
       <div>
-        <h2 className="text-base font-bold text-gray-900 mb-4">List Projects</h2>
+        <h2 className="text-base font-bold text-font-shade mb-4">List Projects</h2>
 
         <div className="grid grid-cols-1 sm:grid-cols-2 xl:grid-cols-3 gap-4">
           {projects.map((project) => (