fix: update homepage atk link (#288)

## Summary by Sourcery

Update documentation for the Asset Tokenization Kit, including
restructuring pages, updating links, and adding new documentation pages
for deployment and signup processes.

Enhancements:
- Renumbered steps in the getting started guide to accommodate a new
initial step about setting up private keys
- Simplified and clarified documentation structure for the Application
Kits section

Documentation:
- Restructured the Asset Tokenization Kit documentation with new pages
for deployment and signup
- Updated homepage and navigation links to reflect documentation changes
- Added detailed deployment and setup instructions for the Asset
Tokenization Kit

Author: gyan-sharma

Diff for: content/docs/application-kits/asset-tokenization/signup-and-login.mdx

@@ -10,6 +10,8 @@ Find the connection endpoint on the connect tab of the custom deployment Section
 Go to issuer portal, sign up to create the admin or the issuer account. The first user to signup gets the admin rights to the application.
 ![Sign Up](../../../img/application-kits/sign-up.png)
 
+You may also setup sign-in via a passkey. 
+
 Post login you will see the dashboard and will get access to various modules and services related to asset tokenization. 
 
 ![dashboard](../../../img/application-kits/dashboard-issuer.png)

Diff for: content/docs/application-kits/introduction.mdx

@@ -31,4 +31,4 @@ offer a seamless path from idea to production, empowering teams to focus on
 business innovation rather than technical implementation.
 <br></br>
 
-Read more about Asset Tokenization Kit here - [Asset Tokenization Kit](/application-kits/asset-tokenization/asset-tokenization-kit)
+Read more about Asset Tokenization Kit here - [Asset Tokenization Kit](/application-kits/asset-tokenization/introduction)

Diff for: content/docs/index.mdx

@@ -731,7 +731,7 @@ SettleMint Application Kits are designed to dramatically accelerate the
 development of enterprise blockchain applications by providing pre-packaged,
 full-stack solutions inlculding both - smart contrcats and the dAPP UI for common use cases. 
 
-Read more - [Aplication kits](/application-kits/asset-tokenization/asset-tokenization-kit)
+Read more - [Aplication kits](/application-kits/introduction)
 
 </div>
 </div>