Improve custom connectors documentation based on PR #404 (#427)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: Ben Kremer <[email protected]>

Author: devin-ai-integration[bot]

appkit/javascript/core/custom-connectors.mdx

@@ -2,7 +2,7 @@
 title: Custom connectors
 ---
 
-Add custom connectors for Wagmi
+In AppKit, a 'connector' is the bridge between your app and a user's wallet. This page shows how to add custom connectors beyond the default ones, allowing your users to connect with additional wallet types and authentication methods.
 
 <Tabs>
 <Tab title="Wagmi">
@@ -55,5 +55,7 @@ createAppKit({
 })
 ```
 
+Check our JavaScript Wagmi demo in [Github](https://github.com/reown-com/appkit-web-examples/)
+
 </Tab>
 </Tabs>

appkit/next/core/custom-connectors.mdx

@@ -2,7 +2,7 @@
 title: Custom connectors
 ---
 
-Add custom connectors for Wagmi
+In AppKit, a 'connector' is the bridge between your app and a user's wallet. This page shows how to add custom connectors beyond the default ones, allowing your users to connect with additional wallet types and authentication methods.
 
 <Tabs>
 <Tab title="Wagmi">
@@ -44,7 +44,6 @@ connectors.push(
 export const networks = [sepolia]
 
 export const wagmiAdapter = new WagmiAdapter({
-  storage:
   transports: {
     [sepolia.id]: http()
   },
@@ -70,6 +69,8 @@ export function ContextProvider({ children }) {
 }
 ```
 
+Check our Next.js Wagmi demo in [Github](https://github.com/reown-com/appkit-web-examples/)
+
 </Tab>
 
 </Tabs>

appkit/vue/core/custom-connectors.mdx

@@ -2,7 +2,7 @@
 title: Custom connectors
 ---
 
-Add custom connectors for Wagmi
+In AppKit, a 'connector' is the bridge between your app and a user's wallet. This page shows how to add custom connectors beyond the default ones, allowing your users to connect with additional wallet types and authentication methods.
 
 <Tabs>
 <Tab title="Wagmi">
@@ -58,5 +58,7 @@ createAppKit({
 })
 ```
 
+Check our Vue Wagmi demo in [Github](https://github.com/reown-com/appkit-web-examples/)
+
 </Tab>
 </Tabs>