Fix few eslint issues

.editorconfig

@@ -0,0 +1,13 @@
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

.eslintrc.json

@@ -6,7 +6,7 @@
         "node": true
     },
     "parser": "babel-eslint",
-    "extends": ["eslint:recommended", "plugin:promise/recommended", "plugin:flowtype/recommended"],
+    "extends": ["eslint:recommended", "plugin:promise/recommended", "plugin:flowtype/recommended", "plugin:react/recommended"],
     "parserOptions": {
         "ecmaVersion": 2017,
         "ecmaFeatures": {
@@ -44,4 +44,4 @@
           "onlyFilesWithFlowAnnotation": false
         }
       }
-}
+}

mobile/views/splash/index.js

@@ -2,17 +2,19 @@
  * @flow
  */
 
-import React, { Component } from 'react';
+import React from 'react';
 import { Text, View } from 'react-native';
 
 import { Wrapper } from './style';
 
-class Splash extends Component {
+class Splash extends React.Component<{}> {
   render() {
     return (
-      <View testID="welcome">
-        <Text>Open up App.js to start working on your app!</Text>
-      </View>
+      <Wrapper>
+        <View testID="welcome">
+          <Text>Open up App.js to start working on your app!</Text>
+        </View>
+      </Wrapper>
     );
   }
 }