Add reference for authentication section

Author: yashovardhan

docs/sdk/sfa/sfa-android/usage.mdx

@@ -26,6 +26,13 @@ The SingleFactorAuth instance natively provides the following methods:
 
 ## Login User
 
+:::tip
+
+Please refer to the [Authentication](./authentication) section for more details on the setting up
+your verifier and other authentication parameters.
+
+:::
+
 To obtain a user's private key, and relevant session data using the Web3Auth SFA Android SDK, you
 can call the `connect` method. The method accepts `LoginParams`, and returns `SessionData`.
 

docs/sdk/sfa/sfa-flutter/usage.mdx

@@ -27,6 +27,13 @@ The SingleFactorAuth instance natively provides the following methods:
 
 ## Login User
 
+:::tip
+
+Please refer to the [Authentication](./authentication) section for more details on the setting up
+your verifier and other authentication parameters.
+
+:::
+
 To obtain a user's private key using the Web3Auth SFA Flutter SDK, you can call the `connect`
 method. The method accepts `LoginParams`, and returns `SFAKey`.
 

docs/sdk/sfa/sfa-ios/usage.mdx

@@ -28,6 +28,13 @@ The SingleFactorAuth instance natively provides the following methods:
 
 ## Login User
 
+:::tip
+
+Please refer to the [Authentication](./authentication) section for more details on the setting up
+your verifier and other authentication parameters.
+
+:::
+
 To obtain a user's private key using the Web3Auth SFA iOS SDK, you can call the `connect` method.
 The method accepts `LoginParams`, and returns `SessionData`.
 [Please checkout the SessionData response for more details](#response).

docs/sdk/sfa/sfa-js/usage.mdx

@@ -31,6 +31,13 @@ functions:
 
 ## Logging in your User
 
+:::tip
+
+Please refer to the [Authentication](./authentication) section for more details on the setting up
+your verifier and other authentication parameters.
+
+:::
+
 `connect(loginParams: LoginParams)`
 
 To log a user in the Web3Auth SFA JS SDK, you need to call the `connect()` function.