Update CONTRIBUTING.md

Author: adipandas

docs/readme/CONTRIBUTING.md

@@ -1 +1,3 @@
-Aditya M. Deshpande - @adipandas
+* @adipandas
+
+* @cnavarrete : Bug fix [issue #22](https://github.com/adipandas/multi-object-tracker/issues/22)