feat: add activity feed and background effects

- Implemented ActivityFeed component to display real-time user activity including coding, music, and chat interactions.
- Added GooFilter and BackgroundBlobs components for enhanced visual effects.
- Updated layout to include new components and ensure proper stacking context.
- Enhanced Tailwind CSS configuration with new color and font settings.
- Created API route to mock activity data from n8n.
- Refactored main page structure to streamline component rendering.

app/api/n8n/status/route.ts

@@ -0,0 +1,19 @@
+import { NextResponse } from 'next/server';
+
+export async function GET() {
+  // Mock data - in real integration this would fetch from n8n webhook or database
+  return NextResponse.json({
+    activity: {
+      type: 'coding', // coding, listening, watching
+      details: 'Portfolio Website',
+      timestamp: new Date().toISOString(),
+    },
+    music: {
+      isPlaying: true,
+      track: 'Midnight City',
+      artist: 'M83',
+      platform: 'spotify'
+    },
+    watching: null
+  });
+}