style: Unified spacing to 2 and add editor config

src/components/widgets/greeting/Greeting.jsx

@@ -70,8 +70,8 @@ export default class Greeting extends React.PureComponent {
     }
 
     // Set the state to the greeting string
-    this.setState({ 
-      greeting: `${message}${name}` 
+    this.setState({
+      greeting: `${message}${name}`
     });
   }
 

src/components/widgets/greeting/greeting.scss

@@ -1,4 +1,4 @@
 .greeting {
-    margin: 0;
-    font-size: 1.6em;
-}
+  margin: 0;
+  font-size: 1.6em;
+}