CLASSROOMIO-T-80: Replace sapper with sveltekit

src/lib/utils/services/marks/index.js

@@ -0,0 +1,7 @@
+import { supabase } from '$lib/utils/functions/supabase';
+
+export async function fetchMarks(courseId) {
+  const { data } = await supabase.rpc('get_marks').eq('course_id', courseId);
+
+  return { data };
+}