chore: add `adsb_deku/radar` to apps using `tui` (#555)

My `adsb_deku/radar` application uses tui, using the Table and Canvas to show
information and plot airplanes on a latitude/longitude coordinates map.

Signed-off-by: wcampbell <wcampbell1995@gmail.com>

README.md

@@ -117,6 +117,7 @@ You can run all examples by running `make run-examples`.
 * [Battleship.rs](https://github.com/deepu105/battleship-rs)
 * [termscp](https://github.com/veeso/termscp)
 * [joshuto](https://github.com/kamiyaa/joshuto)
+* [adsb_deku/radar](https://github.com/wcampbell0x2a/adsb_deku#radar-tui)
 
 ### Alternatives