feat(ui): add topic, subject screen

fix(api): fix api endpoint logic for pretest screen

types/exam.d.ts

@@ -1,20 +1,34 @@
-export type Metadata = {
-  test_id: string;
+export interface Metadata {
+  attempt_id: string;
   total_possible_score: number;
-  deduction: number;
+  deduction: string;
   num_questions: number;
   name: string;
   start_time: Date;
   time_limit_minutes: number;
 }
 
-export type Question = {
- question_id: string;
- question: string;
- options: string[];
- type: string;
+export interface MockMeta extends Metadata {
+  test_id: string;
 }
 
+export interface SubjectMeta extends Metadata {
+  subject_id: string;
+  subject_name: string;
+}
+
+export interface TopicMeta extends Metadata {
+  topic_id: string;
+  topic_name: string;
+}
+
+export type Question = {
+  question_id: string;
+  question: string;
+  options: string[];
+  type: string;
+};
+
 export interface Test {
   metadata: Metadata;
   questions: Question[];