Add dev dependencies for the linter

.eslintrc

@@ -0,0 +1,23 @@
+{
+    "parser": "babel-eslint",
+    "env": {
+        "browser": true,
+        "node": true
+    },
+    "settings": {
+        "ecmascript": 6,
+        "jsx": true
+    },
+    "plugins": [
+        "react"
+    ],
+    "rules": {
+        "strict": 1,
+        "quotes": 1,
+        "no-unused-vars": 1,
+        "camelcase": 1,
+        "no-underscore-dangle": 1,
+        "react/jsx-uses-react": 1,
+        "react/jsx-uses-vars": 1
+    }
+}

package.json

@@ -33,12 +33,15 @@
         "axios": "^0.15.2",
         "babel": "^6.5.2",
         "babel-core": "^6.18.2",
+        "babel-eslint": "^7.2.3",
         "babel-loader": "^6.2.7",
         "babel-preset-es2015": "^6.18.0",
         "babel-preset-latest": "^6.16.0",
         "babel-preset-react": "^6.16.0",
         "css-loader": "^0.26.0",
         "del": "^2.2.2",
+        "eslint": "^3.19.0",
+        "eslint-plugin-react": "^7.0.1",
         "file-loader": "^0.9.0",
         "gulp": "^3.9.1",
         "gulp-babel": "^6.1.2",