add eslint to dependencies

Author: wzrdtales

package.json

@@ -67,6 +67,11 @@
     "db-migrate-base": "^1.2.5",
     "db-migrate-mysql": "^1.1.7",
     "db-migrate-sqlite3": "^0.1.9",
+    "eslint": "^4.10.0",
+    "eslint-plugin-import": "^2.8.0",
+    "eslint-plugin-node": "^5.2.1",
+    "eslint-plugin-promise": "^3.6.0",
+    "eslint-plugin-standard": "^3.0.1",
     "lab": "^11.1.0",
     "proxyquire": "^1.4.0",
     "rimraf": "~2.5.0",