README.md: Add 'NI created and supports this package.'

Signed-off-by: Brad Keryan <[email protected]>

Author: bkeryan

README.md

@@ -20,6 +20,7 @@
 
 The **nisync** package allows you to develop timing and synchronization applications 
 for both time-based and signal-based synchronizations with NI-Sync devices in Python.
+NI created and supports this package.
 
 ## Documentation