Add DZakh to maintainers list

Author: cknitt

package.json

@@ -23,6 +23,7 @@
   "maintainers": [
     "Christoph Knittel (https://github.com/cknitt)",
     "Cristiano Calcagno (https://github.com/cristianoc)",
+    "Dmitry Zakharov (https://github.com/DZakh)",
     "Florian Hammerschmidt (https://github.com/fhammerschmidt)",
     "Gabriel Nordeborn (https://github.com/zth)",
     "Hyeseong Kim (https://github.com/cometkim)",