docs: add AppKit 1.8.9 feature documentation

appkit/javascript/core/actions.mdx

@@ -89,6 +89,21 @@ modal.subscribeWalletInfo(handler);
 const { name, icon } = modal.getWalletInfo();
 ```
 
+## Get Disabled Networks
+
+Returns an array of CAIP networks that are disabled in the current configuration. This is useful for understanding which networks are not available for user selection.
+
+```ts
+const modal = createAppKit({
+  adapters: [wagmiAdapter],
+  networks: [mainnet, arbitrum],
+  projectId,
+});
+
+const disabledNetworks = modal.getDisabledCaipNetworks();
+console.log('Disabled networks:', disabledNetworks);
+```
+
 ## Provider Access
 
 Access wallet providers for direct blockchain interactions across different namespaces.

snippets/appkit/shared/options.mdx

@@ -258,6 +258,17 @@ createAppKit({
 });
 ```
 
+## enableMobileFullScreen
+
+Enable or disable fullscreen rendering of AppKit Core on mobile devices. Default is `false`.
+
+```ts
+createAppKit({
+  //...
+  enableMobileFullScreen: true,
+});
+```
+
 ## debug
 
 Enable or disable debug mode in your AppKit. This is useful if you want to see UI alerts when debugging. Default is `false`.