Library properties file added.

Author: mathertel

library.properties

@@ -0,0 +1,10 @@
+name=OneButton
+version=1.1.0
+author=Matthias Hertel, [email protected]
+maintainer=Matthias Hertel <http://www.mathertel.de>
+sentence=Arduino libary for improving the usage of a singe input button.
+paragraph=It supports detecting events like single clicks, double clicks and long-time pressing. This enables you to reuse the same button for multiple functions and lowers the hardware invests.
+category=Signal Input/Output
+url=https://github.com/mathertel/OneButton
+architectures=*
+includes=OneButton.h