update contributors

Author: bradmartin

package.json

@@ -25,7 +25,7 @@
     "bradmartin",
     "Thorum"
   ],
-  "author": "Brad Martin <bradmartin0905@gmail.com> (https://github.com/bradmartin)",
+  "author": "Brad Martin <bradwaynemartin@gmail.com> (https://github.com/bradmartin)",
   "contributors": [
     {
       "name": "Lázaro Danillo",
@@ -42,6 +42,18 @@
     {
       "name": "Gabriel Marinho",
       "url": "https://github.com/gabrielbiga"
+    },
+    {
+      "name": "Alexander Vakrilov",
+      "url": "https://github.com/vakrilov"
+    },
+    {
+      "name": "Samuel Ikechukwu",
+      "url": "https://github.com/holymp2006"
+    },
+    {
+      "name": "Stanimira Vlaeva",
+      "url": "https://github.com/sis0k0"
     }
   ],
   "license": "Apache-2.0",