Big commit:

make some changes to profile to provide an interface for a student to manage his courses.

implements the submission of exemptions request

frontend/src/rest/requests.js

@@ -0,0 +1,5 @@
+import {restPost} from "@/rest/restConsumer.js";
+
+export async function createExemptionsRequest(exempReq){
+    return restPost("/exemptionreq", exempReq)
+}