docs: add API key rate limits guide for Kubernetes installation

docs.json

@@ -412,7 +412,8 @@
             "group": "K8s Install",
             "pages": [
               "enterprise/k8s-install/index",
-              "enterprise/k8s-install/resource-limits"
+              "enterprise/k8s-install/resource-limits",
+              "enterprise/k8s-install/rate-limits"
             ]
           },
           {

enterprise/k8s-install/index.mdx

@@ -1,7 +1,7 @@
 ---
 title: Kubernetes Installation
 description: Deploy OpenHands Enterprise into your own Kubernetes cluster using Helm
 icon: dharmachakra
 ---
 
 OpenHands Enterprise can be deployed into an existing Kubernetes cluster using Helm.
@@ -35,8 +35,8 @@
 |-----------|-------------|
 | **OpenHands Server** | Main application server handling UI, API, and agent orchestration |
 | **Runtime API** | Manages sandbox lifecycle—provisioning, scaling, and cleanup |
 | **Runtimes (Sandboxes)** | Isolated containers where agents execute code |
 | **Keycloak** | Identity and access management |
 | **LiteLLM Proxy** | Routes requests to your LLM provider(s) |
 | **PostgreSQL** | Persistent storage for application data |
 | **Redis** | Caching and session management |
@@ -50,9 +50,14 @@
 
 ## Guides
 
-<Card title="Resource Limits" icon="gauge-high" href="/enterprise/k8s-install/resource-limits">
-  Configure memory, CPU, and storage for optimal performance.
-</Card>
+<CardGroup cols={2}>
+  <Card title="Resource Limits" icon="gauge-high" href="/enterprise/k8s-install/resource-limits">
+    Configure memory, CPU, and storage for optimal performance.
+  </Card>
+  <Card title="API Key Rate Limits" icon="gauge" href="/enterprise/k8s-install/rate-limits">
+    Configure per-API-key rate limits for the Runtime API.
+  </Card>
+</CardGroup>
 
 ## Request Access