Update "contributors" field in package.json.

- Adding Bao Dinh
- Adding everyone's GitHub profile URLs

package.json

@@ -14,12 +14,13 @@
   ],
   "author": "Institue for Health Metrics and Evaluation",
   "contributors": [
-    "Gabe Medrash <[email protected]>",
-    "Brett Vitaz <[email protected]>",
-    "Aaron Keel <[email protected]>",
+    "Gabe Medrash <[email protected]> (https://github.com/GabeMedrash)",
+    "Brett Vitaz <[email protected]> (https://github.com/brettvitaz)",
+    "Aaron Keel <[email protected]> (https://github.com/aaronKeel)",
     "David Schneider <[email protected]> (https://github.com/davschne)",
-    "Katherine Beame <[email protected]>",
-    "Jim Vermillion <[email protected]>"
+    "Katherine Beame <[email protected]> (https://github.com/kbeame)",
+    "Jim Vermillion <[email protected]> (https://github.com/jimvermillion)",
+    "Bao Dinh <[email protected]> (https://github.com/bdinh)"
   ],
   "repository": "https://github.com/ihmeuw/ihme-ui.git",
   "bugs": "https://github.com/ihmeuw/ihme-ui/issues",