Added tooltip to stats screen

src/pages/stats.tsx

@@ -170,16 +170,19 @@ export default function Stats() {
 								icon: <BsFileEarmarkText className="w-6 h-6 md:w-8 md:h-8 text-mti-red-light" />,
 								value: Object.keys(groupBySession(userStats)).length,
 								label: "Exams",
+								tooltip: 'Number of all conducted completed exams',
 							},
 							{
 								icon: <BsPencil className="w-6 h-6 md:w-8 md:h-8 text-mti-red-light" />,
 								value: userStats.length,
 								label: "Exercises",
+								tooltip: 'Number of all conducted exercises including Level Test',
 							},
 							{
 								icon: <BsStar className="w-6 h-6 md:w-8 md:h-8 text-mti-red-light" />,
 								value: `${userStats.length > 0 ? averageScore(userStats) : 0}%`,
 								label: "Average Score",
+								tooltip: 'Average success rate for questions responded',
 							},
 						]}
 					/>