First version of my operation system for stm32 board

Dependencies:   RA8875 VS1053 sd-driver-hs

Revision:
4:3cdd044a3df4
Parent:
0:86f82f777a7a
--- a/README.md	Tue Mar 13 06:35:47 2018 +0000
+++ b/README.md	Tue Mar 13 06:37:56 2018 +0000
@@ -0,0 +1,1 @@
+# this is my firts operatio system
\ No newline at end of file