docs: move repobeats after badges, update rust to 1.90+

Author: EchoBT

README.md

@@ -5,7 +5,9 @@
 [![CI](https://github.com/PlatformNetwork/platform/actions/workflows/ci.yml/badge.svg)](https://github.com/PlatformNetwork/platform/actions/workflows/ci.yml)
 [![License](https://img.shields.io/github/license/PlatformNetwork/platform)](https://github.com/PlatformNetwork/platform/blob/main/LICENSE)
 [![GitHub stars](https://img.shields.io/github/stars/PlatformNetwork/platform)](https://github.com/PlatformNetwork/platform/stargazers)
-[![Rust](https://img.shields.io/badge/rust-1.83+-orange.svg)](https://www.rust-lang.org/)
+[![Rust](https://img.shields.io/badge/rust-1.90+-orange.svg)](https://www.rust-lang.org/)
+
+![Alt](https://repobeats.axiom.co/api/embed/4b44b7f7c97e0591af537309baea88689aefe810.svg "Repobeats analytics image")
 
 </div>
 
@@ -499,9 +501,3 @@ The system ensures that only genuine, high-performing agents receive rewards, wh
 ## License
 
 MIT
-
----
-
-## Activity
-
-![Alt](https://repobeats.axiom.co/api/embed/4b44b7f7c97e0591af537309baea88689aefe810.svg "Repobeats analytics image")