update readme - add mention of bare mbed project

INSTALL.md

@@ -170,4 +170,3 @@ $ make upload
 If it's not working, make sure everything has been installed correctly and check your `Makefile` configuration. Also make sure you are using and `Arduino Uno`.
 
 If nothing seems to help, you can fill an [issue here](https://github.com/ladislas/Bare-Arduino-Project/issues).
-

README.md

@@ -2,11 +2,7 @@
 
 # Bare Arduino Project
 
-## Important notice
-
-> ~~I'm not using this project as much as I used to and might be slow at answering issues or PR's.
-> I am slowly moving out of Arduino-Makefile in favor of PlatformIO
-> I've ported their basic toolchain so you can still use the latest avr-gcc toolchain and stuff.~~
+⚠️ ***For mbed projects, see [Bare mbed Project](https://github.com/ladislas/Bare-mbed-Project).***
 
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