Add links to new platforms SDK integration docs

Author: dhananjayj-dev

fern/docs/pages/developer-intro.mdx

@@ -37,14 +37,40 @@ Numerous snap-ins are available on the DevRev [Marketplace](https://devrev.ai/ma
     icon="fa-solid fa-message"
     href="/sdks/web/installation"
     />
+    
     <Card
-    title="PLuG Android SDK"
-    icon="fa-solid fa-message"
-    href="/sdks/mobile/android"
+    title="- DevRev SDK for Android"
+    icon="fa-brands fa-android"
+    href="/sdks/android"
+    />
+
+  <Card
+    title="- DevRev SDK for iOS"
+    icon="fa-brands fa-apple"
+    href="/sdks/ios"
     />
+
+  <Card
+    title="- DevRev SDK for React Native"
+    icon="fa-brands fa-react"
+    href="/sdks/react-native"
+    />
+
     <Card
-    title="PLuG iOS SDK"
-    icon="fa-solid fa-message"
-    href="/sdks/mobile/ios"
+    title="- DevRev SDK for React Native expo"
+    icon="fa-brands fa-react"
+    href="/sdks/react-native-expo"
+    />
+
+  <Card
+    title="- DevRev SDK for Cordova"
+    icon="fa-brands fa-js"
+    href="/sdks/cordova"
+    />
+
+  <Card
+    title="- DevRev SDK for Flutter"
+    icon="fa-brands fa-flutter"
+    href="/sdks/flutter"
     />
 </Cards>