implemented getter for course event details

shared/types/course.ts

@@ -6,11 +6,30 @@ export interface Course {
   description?: string | null;
   image_url?: string | null;
   created_at: string;
-  updated_at: string; 
+  updated_at: string;
   deleted?: number | boolean;
   prereq_id?: number | null;
 }
 
+export interface CourseEventDetails {
+  id: number;                     // PK
+  course_id: number | null;       // FK → courses.id
+  event_type: number | null;      // FK → event_types.id
+  event_date: string;             // datetime (not nullable)
+
+  guilded_event_id: number | null;
+
+  created_at: string;             // datetime
+  updated_at: string;             // datetime
+
+  deleted: boolean | null;        // tinyint(4), nullable
+  report_url: string | null;      // varchar(2048)
+  remarks: string | null;         // text
+  
+  attendees: CourseAttendee[] | null;
+}
+
+
 export interface CourseAttendee {
   passed: boolean;                // tinyint(1)
   attendee_id: number;            // PK