Merge pull request thibmaek#95 from Julio-Guerra/patch-2

:heavy-plus-sign: Added Circle to the project list

Author: thibmaek

README.md

@@ -145,6 +145,7 @@ The complete collection of Raspberry Pi models consist of:
 - [Hearing aid prototoype](https://github.com/m-r-s/hearingaid-prototype) - A Raspberry Pi powered prototype of a hearing aid. ![Supports Raspberry Pi 3](/media/badges/rpi-3.png)
 - [RPI tempmon](https://github.com/gavinlyonsrepo/raspberrypi_tempmon) - CPU GPU temperature monitor with various functions such as LED GPIO, Graph output, email, alarm limit, notifications and logging.
 - [ RPi Motor Library](https://github.com/gavinlyonsrepo/RpiMotorLib) - Python 3 library to connect various motors & servos to the Pi.
+- [Circle](https://github.com/rsta2/circle) - A C++ bare metal environment for Raspberry Pi.
 
 ## Resources
 ### Articles