docs: add initial contributors file (#48)

Author: egernst

CONTRIBUTORS.txt

@@ -0,0 +1,16 @@
+This file contains a list of contributors who have made meaningful changes to this repository.
+Please add your name and GitHub handle to this file as an optional step in the contribution process for attribution.
+Email is not required.
+
+### Contributors
+
+Aditya Ramani (adityaramani)
+Danny Canter (dcantah)
+Dmitry Kovba (dkovba)
+Eric Ernst (egernst)
+Evan Hazlett (ehazlett)
+John Logan (jglogan)
+Kathryn Baldauf (katiewasnothere)
+Madhu Venugopal (mavenugo)
+Michael Crosby (crosbymichael)
+Sidhartha Mani (wlan0)