docs: add generated output example to CLI documentation for clarity

Author: radist2s

website/docs/codegen/asyncapi/index.mdx

@@ -22,6 +22,60 @@ The command below generates AsyncAPI TypeScript schema types into the `src/event
 npx qraft asyncapi --plugin asyncapi-typescript ./asyncapi.yaml --output-dir src/events
 ```
 
+## Generated output example
+
+Below is a real excerpt of generated code (from plugin snapshots):
+
+```ts
+/**
+ * This file was auto-generated by @qraft/cli.
+ * Do not make direct changes to the file.
+ */
+
+export interface servers {
+    "events-test": components["servers"]["events-test"];
+    /** @description Production WebSocket server for events (lighting measurements) secured with TLS */
+    "events-prod": {
+        host: "prod-events.example.com";
+        protocol: "wss";
+    };
+}
+
+export interface channels {
+    lightingMeasured: {
+        address: "/events/streetlights/{streetlightId}/lighting/measured";
+        messages: {
+            lightMeasured: components["messages"]["lightMeasured"];
+            lightMeasuredResponse: components["messages"]["lightMeasuredResponse"];
+        };
+        parameters: {
+            streetlightId: "streetlight-1" | "streetlight-2";
+        };
+        servers: [
+            servers["events-test"],
+            servers["events-prod"]
+        ];
+    };
+}
+
+export interface operations {
+    receiveLightMeasurement: {
+        action: "receive";
+        channel: channels["lightingMeasured"];
+        messages: [
+            channels["lightingMeasured"]["messages"]["lightMeasured"]
+        ];
+        reply: {
+            channel: channels["lightingMeasured"];
+            messages: [
+                channels["lightingMeasured"]["messages"]["lightMeasuredResponse"]
+            ];
+        };
+        summary: "Server receives light measurement data from a sensor and responds with acknowledgment.";
+    };
+}
+```
+
 ## Options
 
 ### Required