feat: add programme module and blog integration

- Add Programme Mongoose model with sub-schemas and migrateFromJson static method
- Add programme CRUD controller with audit logging and icon sanitization
- Add programme admin views (index, edit) with tabbed form and dynamic arrays
- Add seed migration script for programmes
- Add /api/programmes and /api/programmes/:id public API endpoints
- Register programme routes in admin and public router
- Update dashboard with Programmes card and API endpoint entries
- Update admin sidebar layout to include Programmes nav link

routes/admin.js

@@ -26,6 +26,7 @@ const activityController = require("../controllers/activityController");
 const bookingSubmissionController = require("../controllers/bookingSubmissionController");
 const serviceController = require("../controllers/serviceController");
 const headerMenuController = require("../controllers/headerMenuController");
+const programmeController = require("../controllers/programmeController");
 
 // Blog controllers
 const blogController = require("../controllers/blogController");
@@ -523,6 +524,13 @@ router.delete(
   ensureAuthenticated,
   visaController.deleteCountry,
 );
+
+// Programme Management
+router.get("/programme", ensureAuthenticated, programmeController.index);
+router.get("/programme/edit/:id", ensureAuthenticated, programmeController.edit);
+router.post("/programme/update/:id", ensureAuthenticated, upload.single('heroImage'), programmeController.update);
+router.post("/programme/delete/:id", ensureAuthenticated, programmeController.delete);
+
 // Blog routes
 // Blog Management Routes
 router.get("/blog", ensureAuthenticated, blogController.index);