Update AppKit Labs URL in remaining WalletKit platforms

Update https://appkit-lab.reown.com/library/ethers-siwe/ to
https://appkit-lab.reown.com/appkit/?name=ethers-siwe in:
- Android one-click-auth documentation
- iOS one-click-auth documentation
- Web one-click-auth documentation
- Flutter one-click-auth documentation

This completes the URL update across all WalletKit platforms.

Co-Authored-By: [email protected] <[email protected]>

Author: devin-ai-integration[bot]

walletkit/android/one-click-auth.mdx

@@ -106,9 +106,9 @@ WalletKit.rejectSessionAuthenticate(rejectParams,
 
 ## Testing One-click Auth
 
-You can use [AppKit Lab](https://appkit-lab.reown.com/library/ethers-siwe/) to test and verify that your wallet supports One-click Auth properly.
+You can use [AppKit Lab](https://appkit-lab.reown.com/appkit/?name=ethers-siwe) to test and verify that your wallet supports One-click Auth properly.
 
 <Card
   title="Test One-click Auth"
-  href="https://appkit-lab.reown.com/library/ethers-siwe/"
+  href="https://appkit-lab.reown.com/appkit/?name=ethers-siwe"
 />

walletkit/flutter/one-click-auth.mdx

@@ -138,9 +138,9 @@ await _walletKit!.rejectSessionAuthenticate(
 
 ## Testing One-click Auth
 
-You can use [AppKit Lab](https://appkit-lab.reown.com/library/ethers-siwe/) to test and verify that your wallet supports One-click Auth properly.
+You can use [AppKit Lab](https://appkit-lab.reown.com/appkit/?name=ethers-siwe) to test and verify that your wallet supports One-click Auth properly.
 
 <Card
   title="Test One-click Auth"
-  href="https://appkit-lab.reown.com/library/ethers-siwe/"
+  href="https://appkit-lab.reown.com/appkit/?name=ethers-siwe"
 />

walletkit/ios/one-click-auth.mdx

@@ -94,9 +94,9 @@ try await WalletKit.instance.rejectSession(requestId: requestId)
 
 ## Testing One-click Auth
 
-You can use [AppKit Lab](https://appkit-lab.reown.com/library/ethers-siwe/) to test and verify that your wallet supports One-click Auth properly.
+You can use [AppKit Lab](https://appkit-lab.reown.com/appkit/?name=ethers-siwe) to test and verify that your wallet supports One-click Auth properly.
 
 <Card
   title="Test One-click Auth"
-  href="https://appkit-lab.reown.com/library/ethers-siwe/"
+  href="https://appkit-lab.reown.com/appkit/?name=ethers-siwe"
 />

walletkit/web/one-click-auth.mdx

@@ -127,9 +127,9 @@ await walletKit.rejectSessionAuthenticate({
 
 ## Testing One-click Auth
 
-You can use [AppKit Lab](https://appkit-lab.reown.com/library/ethers-siwe/) to test and verify that your wallet supports One-click Auth properly.
+You can use [AppKit Lab](https://appkit-lab.reown.com/appkit/?name=ethers-siwe) to test and verify that your wallet supports One-click Auth properly.
 
 <Card
   title="Test One-click Auth"
-  href="https://appkit-lab.reown.com/library/ethers-siwe/"
+  href="https://appkit-lab.reown.com/appkit/?name=ethers-siwe"
 />