Created more types of stats to be showcased:

- Total Exams per Module;
- Average Score per Module;
- Total Exercises per Type;
- Average Score per Exercise Type;

src/interfaces/user.ts

@@ -16,6 +16,7 @@ export interface Stat {
 	exercise: string;
 	module: Module;
 	solutions: any[];
+	type: string;
 	score: {
 		correct: number;
 		total: number;