Add embassy example

README.md

@@ -25,6 +25,9 @@ It also contains the following helper crates:
   crate contains a sample flashloader which is able to update the redundant images in the NVM which
   is compatible to the provided bootloader as well.
 - The `examples` folder contains various example applications crates for the HAL and the PAC.
+  This folder also contains dedicated example applications using the
+  [`RTIC`](https://rtic.rs/2/book/en/) and [`embassy`](https://github.com/embassy-rs/embassy)
+  native Rust RTOSes.
 
 ## Using the `.cargo/config.toml` file