json test

Revision:
0:2ee762ea11b3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.gitignore	Fri Jan 26 06:05:31 2018 +0000
@@ -0,0 +1,4 @@
+.build
+.mbed
+projectfiles
+*.py*