Fixed styling of d.ts files

Author: nicolasgarnier

types/FirebaseAuth.d.ts

@@ -1,3 +1,3 @@
-import { FirebaseAuth } from "./"
+import { FirebaseAuth } from './';
 
 export default FirebaseAuth

types/StyledFirebaseAuth.d.ts

@@ -1,3 +1,3 @@
-import { StyledFirebaseAuth } from "./"
+import { StyledFirebaseAuth } from './';
 
 export default StyledFirebaseAuth

types/index.d.ts

@@ -1,5 +1,5 @@
-import * as firebaseui from "firebaseui";
-import * as React from "react";
+import * as firebaseui from 'firebaseui';
+import * as React from 'react';
 
 export interface Props {
   uiConfig: firebaseui.auth.Config;