docs: add explanatory comments to InteractionTracker component

Added inline comments to clarify that InteractionTracker initializes both screenshot capture and mouse cursor tracking functionality.

Author: Methika1234

components/interaction-tracker.tsx

@@ -2,12 +2,16 @@
 
 import { useEffect } from "react";
 import { initInteractionTracking } from "@b3-crow/website-hook-sdk";
+// Unified interaction tracking with hardcoded configs
 
 export function InteractionTracker() {
   useEffect(() => {
     // Initialize interaction tracking with simplified API
+    // This starts both screenshot capture and mouse cursor tracking
     initInteractionTracking({
       logging: true, // Enable detailed pointer tracking logs
     });
   }, []);
+
+  return null;
 }