feat(targeted): add targeted practice functionality

feat(analytics); add analytics page

src/lib/utils.ts

@@ -81,3 +81,20 @@ export const formatTime = (seconds: number) => {
   const s = seconds % 60;
   return `${m}:${s.toString().padStart(2, "0")}`;
 };
+
+export const slideVariants = {
+  initial: (direction: number) => ({
+    x: direction > 0 ? 100 : -100,
+    opacity: 0,
+  }),
+  animate: {
+    x: 0,
+    opacity: 1,
+    transition: { duration: 0.35 },
+  },
+  exit: (direction: number) => ({
+    x: direction > 0 ? -100 : 100,
+    opacity: 0,
+    transition: { duration: 0.25 },
+  }),
+};