Add sorting and filtering

src/lib/utils/types/index.ts

@@ -91,8 +91,8 @@ export interface Course {
   description: string; // type unknown;
   overview?: any; // type unknown;
   id?: string /* primary key */;
-  created_at?: string;
-  updated_at?: string;
+  created_at: string;
+  updated_at: string;
   group_id?: string /* foreign key to group.id */;
   is_template?: boolean;
   organization_id?: string /* foreign key to organization.id */;