docs: add WSO2 API Platform AI gateway to ecosystem

Signed-off-by: Lahiru De Silva <lahirude@wso2.com>

Author: NomadXD

src/data/marketplace-plugins.json

@@ -353,6 +353,24 @@
     "default": false,
     "released": true
   },
+  {
+    "id": "wso2-api-platform-ai-gateway",
+    "group": "module",
+    "name": "WSO2 API Platform AI Gateway",
+    "description": "AI-native gateway built on the WSO2 API Platform runtime, providing model-aware routing, LLM passthrough, and token & cost control for components that consume LLM APIs.",
+    "category": "AI Gateway",
+    "tags": [
+      "ai-gateway",
+      "llm",
+      "wso2",
+      "model-routing"
+    ],
+    "logoUrl": "https://avatars.githubusercontent.com/u/533043?s=200&v=4",
+    "author": "OpenChoreo",
+    "sourceUrl": "https://github.com/openchoreo/community-modules/tree/main/ai-gateway-wso2-api-platform",
+    "default": false,
+    "released": true
+  },
   {
     "id": "agent-sandbox",
     "group": "component-type",