fix: merge + types frontend controller

common/src/interfaces/class-join-request.d.ts

@@ -0,0 +1,7 @@
+import {StudentDTO} from "./student";
+
+export interface ClassJoinRequestDTO {
+    requester: StudentDTO;
+    class: string;
+    status: ClassJoinRequestStatus;
+}

common/src/interfaces/student.d.ts

@@ -3,10 +3,4 @@ export interface StudentDTO {
     username: string;
     firstName: string;
     lastName: string;
-    endpoints?: {
-        classes: string;
-        questions: string;
-        invitations: string;
-        groups: string;
-    };
 }