Implement an endpoint to get all the courses of an user

frontend/src/rest/courses.js

@@ -71,3 +71,11 @@ export async function getCourses(role){
 export async function alterCourse(id, changes){
 	return restPatch("/course/" + id, changes);
 }
+
+/**
+ * Return a list containing all the actual courses of a user
+ */
+
+export async function getUserActualCourses(userId){
+	return restGet("/usercourses/"+userId)
+}