add eslint packages

services/chat/package.json

@@ -34,6 +34,21 @@
   "devDependencies": {
     "bunyan": "^1.0.0",
     "chai": "",
+    "eslint": "^5.10.0",
+    "eslint-config-prettier": "^3.3.0",
+    "eslint-config-standard": "^12.0.0",
+    "eslint-config-standard-jsx": "^6.0.2",
+    "eslint-config-standard-react": "^7.0.2",
+    "eslint-plugin-chai-expect": "^2.0.1",
+    "eslint-plugin-chai-friendly": "^0.4.1",
+    "eslint-plugin-import": "^2.14.0",
+    "eslint-plugin-jsx-a11y": "^6.1.2",
+    "eslint-plugin-mocha": "^5.2.0",
+    "eslint-plugin-node": "^8.0.0",
+    "eslint-plugin-prettier": "^3.0.0",
+    "eslint-plugin-promise": "^4.0.1",
+    "eslint-plugin-react": "^7.11.1",
+    "eslint-plugin-standard": "^4.0.0",
     "grunt": "~0.4.1",
     "grunt-bunyan": "^0.5.0",
     "grunt-concurrent": "~0.4.2",