added more info to package.json

package.json

 {
   "name": "Rocket.Chat",
+  "description": "The Ultimate Open Source WebChat Platform",
+  "version": "0.39.0",
+  "author": {
+    "name": "Rocket.Chat",
+    "url": "http://rocket.chat/"
+  },
+  "contributors": [{
+    "name": "Aaron Ogle",
+    "email": "aaron.olge@rocket.chat"
+  }, {
+    "name": "Bradley Hilton",
+    "email": "bradley.hilton@rocket.chat"
+  }, {
+    "name": "Diego Sampaio",
+    "email": "diego.sampaio@rocket.chat"
+  }, {
+    "name": "Gabriel Engel",
+    "email": "gabriel.engel@rocket.chat"
+  }, {
+    "name": "Marcelo Schmidt",
+    "email": "marcelo.schmidt@rocket.chat"
+  }, {
+    "name": "Rodrigo Nascimento",
+    "email": "rodrigo.nascimento@rocket.chat"
+  }, {
+    "name": "Sing Li",
+    "email": "sing.li@rocket.chat"
+  }],
+  "keywords": [
+    "rocketchat",
+    "rocket",
+    "chat"
+  ],
   "scripts": {
     "start": "meteor run",
     "lint": "eslint .",
     "deploy": "npm run build && pm2 startOrRestart pm2.json"
   },
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/RocketChat/Rocket.Chat.git"
+  },
+  "bugs": {
+    "url": "https://github.com/RocketChat/Rocket.Chat/issues",
+    "email": "support@rocket.chat"
+  },
   "devDependencies": {
     "eslint": "^3.1.1"
   },