add eslint

.eslintrc.js

@@ -0,0 +1,35 @@
+module.exports = {
+    "env": {
+        "browser": true,
+        "es6": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "ecmaFeatures": {
+            "jsx": true
+        },
+        "ecmaVersion": 2018,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "react"
+    ],
+    "rules": {
+        "indent": [
+            "error",
+             2
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "single"
+        ],
+        "semi": [
+            "error",
+            "never"
+        ]
+    }
+};

app/components/base/SnackBars.jsx

@@ -1,7 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import classNames from 'classnames';
-import Button from '@material-ui/core/Button';
 import CheckCircleIcon from '@material-ui/icons/CheckCircle';
 import ErrorIcon from '@material-ui/icons/Error';
 import InfoIcon from '@material-ui/icons/Info';
@@ -83,6 +82,6 @@ MySnackbarContent.propTypes = {
   message: PropTypes.node,
   onClose: PropTypes.func,
   variant: PropTypes.oneOf(['success', 'warning', 'error', 'info']).isRequired,
-};
+}
 
 export const MySnackbarContentWrapper = withStyles(styles1)(MySnackbarContent)