Update to work with Grove

Dependencies:   DigitDisplay RangeFinder Pulse Grove_temperature FXOS8700Q

Revision:
1:dddc62cabd99
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RangeFinder.lib	Wed Feb 10 22:58:39 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/fitzpatrick/code/RangeFinder/#09ee44cee711