chore: rename bloc to controller in AutoRoute example (#10)

Co-authored-by: Alexandru Mariuti <alex@mariuti.com>

Author: manuel-plavsic

examples/auto_route/lib/pages/book.dart

@@ -13,12 +13,12 @@ class BookPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final booksBloc = booksControllerProvider.of(context);
-    final book = booksBloc.book(bookId);
+    final booksController = booksControllerProvider.of(context);
+    final book = booksController.book(bookId);
     return Scaffold(
       appBar: AppBar(title: Text(book.name)),
       body: Center(
-        child: Text(booksBloc.book(bookId).description),
+        child: Text(booksController.book(bookId).description),
       ),
     );
   }

examples/auto_route/lib/pages/books.dart

@@ -27,8 +27,8 @@ class BooksPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final booksBloc = booksControllerProvider.of(context);
-    final books = booksBloc.books;
+    final booksController = booksControllerProvider.of(context);
+    final books = booksController.books;
 
     return Scaffold(
       appBar: AppBar(