add twitch bot client

bin/dbVersion.json

@@ -7,7 +7,8 @@
     {"file": "20180706-1.sql", "version": 5},
     {"file": "20180710-1.sql", "version": 6},
     {"file": "20180711-1.sql", "version": 7},
-    {"file": "20180712-1.sql", "version": 8}
+    {"file": "20180712-1.sql", "version": 8},
+    {"file": "20180716-1.sql", "version": 9}
   ],
   "test": []
 }