feat(api): add flag to disable playground (#2201)

fern/apis/fdr/definition/navigation/latest/__package__.yml

@@ -249,6 +249,9 @@ types:
 
   PlaygroundSettings:
     properties:
+      disabled: 
+        type: optional<boolean>
+        docs: Whether the playground is disabled. Defaults to false.
       environments:
         type: optional<list<commons.EnvironmentId>>
         docs: |

fern/apis/fdr/definition/navigation/v1/__package__.yml

@@ -250,6 +250,9 @@ types:
 
   PlaygroundSettings:
     properties:
+      disabled: 
+        type: optional<boolean>
+        docs: Whether the playground is disabled. Defaults to false. 
       environments:
         type: optional<list<commons.EnvironmentId>>
         docs: |

packages/fern-docs/ui/src/playground/PlaygroundButton.tsx

@@ -15,9 +15,9 @@ export const PlaygroundButton: FC<{
 }> = ({ state }) => {
   const openPlayground = useOpenPlayground();
   const isPlaygroundEnabled = useAtomValue(IS_PLAYGROUND_ENABLED_ATOM);
-  const settings = usePlaygroundSettings(state.id);
+  const settings = usePlaygroundSettings(state.id ?? state);
 
-  if (!isPlaygroundEnabled) {
+  if (!isPlaygroundEnabled || settings?.disabled) {
     return null;
   }