mtghr signed cla (#175)

contributors/mtghr.md

@@ -0,0 +1,12 @@
+05/25/2019
+
+
+I hereby agree to the terms of the Contributors License
+
+I furthermore declare that I am authorized and able to make this
+agreement and sign this declaration.
+
+Signed,
+
+Moshe Rosenberg
+https://github.com/mtghr