feat: create dedicated examples page

Author: goosewin

fern/examples.mdx

@@ -0,0 +1,20 @@
+---
+title: Examples
+subtitle: Explore complete examples with step-by-step instructions to build with Vapi
+slug: examples
+---
+
+<CardGroup cols={2}>
+  <Card title="Outbound Sales" icon="phone" href="/examples/outbound-sales">
+    Create an outbound sales agent that can schedule appointments automatically
+  </Card>
+  <Card title="Inbound Support" icon="headset" href="/examples/inbound-support">
+    Build a technical support assistant that remembers where you left off between calls
+  </Card>
+  <Card title="Pizza Website" icon="pizza-slice" href="/examples/pizza-website">
+    Build a pizza ordering assistant for your website using the Web SDK
+  </Card>
+  <Card title="Voice Widget" icon="microphone" href="/examples/voice-widget">
+    Easily integrate the Vapi Voice Widget into your website for enhanced user interaction
+  </Card>
+</CardGroup>