move to further resources in README.md

Author: yerke

README.md

@@ -10,7 +10,6 @@ repository which you can find listed below:
 - [The Discovery book](https://github.com/rust-embedded/discovery)
 - [The Embedded Rust book](https://github.com/rust-embedded/book)
 - [The Embedonomicon](https://github.com/rust-embedded/embedonomicon)
-- [Operating System development tutorials in Rust on the Raspberry Pi](https://github.com/rust-embedded/rust-raspberrypi-OS-tutorials)
 
 # `further resources`
 
@@ -21,6 +20,7 @@ Here're some additional resources maintained by the [Resources team][team] which
 - [The Embedded Rust Showcase](https://rust-embedded.github.io/showcase/)
 - [The Awesome Embedded Rust list](https://github.com/rust-embedded/awesome-embedded-rust)
 - [The not-yet-awesome-embedded-rust (or NYAER) list](https://github.com/rust-embedded/not-yet-awesome-embedded-rust)
+- [Operating System development tutorials in Rust on the Raspberry Pi](https://github.com/rust-embedded/rust-raspberrypi-OS-tutorials)
 
 ## License