docs(config): sync hints with current config schema

readme.hints.md

@@ -111,12 +111,20 @@ interface IModelGridConfig {
     port: number; // Default: 8080
     host: string; // Default: '0.0.0.0'
     apiKeys: string[]; // Valid API keys
+    rateLimit?: number;
     cors: boolean;
     corsOrigins: string[];
   };
+  ui: {
+    enabled: boolean;
+    port: number; // Default: 8081
+    host: string; // Default: '0.0.0.0'
+    assetSource: 'bundle' | 'disk';
+  };
   docker: {
     networkName: string; // Default: 'modelgrid'
     runtime: 'docker' | 'podman';
+    socketPath?: string;
   };
   gpus: {
     autoDetect: boolean;
@@ -124,11 +132,12 @@ interface IModelGridConfig {
   };
   containers: IContainerConfig[];
   models: {
-    greenlistUrl: string;
+    registryUrl: string;
-    autoPull: boolean;
+    autoDeploy: boolean;
-    defaultContainer: string;
+    defaultEngine: 'vllm';
     autoLoad: string[];
   };
+  cluster: IClusterConfig;
   checkInterval: number;
 }
 ```