Update example app

.gitignore

@@ -7,4 +7,5 @@ lcov.info
 pubspec.lock
 .dart_tool/
 
-benchmark_results.json
+benchmark_results.json
+.flutter-plugins-dependencies

moor_flutter/example/lib/main.dart

@@ -15,12 +15,7 @@ class MyApp extends StatelessWidget {
         title: 'moor Demo',
         theme: ThemeData(
           primarySwatch: Colors.orange,
-          // use the good-looking updated material text style
-          typography: Typography(
-            englishLike: Typography.englishLike2018,
-            dense: Typography.dense2018,
-            tall: Typography.tall2018,
-          ),
+          typography: Typography.material2018(),
         ),
         home: HomeScreen(),
       ),

moor_flutter/example/lib/widgets/add_category_dialog.dart

@@ -22,7 +22,7 @@ class _AddCategoryDialogState extends State<AddCategoryDialog> {
               padding: const EdgeInsets.all(8),
               child: Text(
                 'Add a category',
-                style: Theme.of(context).textTheme.title,
+                style: Theme.of(context).textTheme.headline6,
               ),
             ),
             TextField(

moor_flutter/example/lib/widgets/categories_drawer.dart

@@ -15,7 +15,7 @@ class CategoriesDrawer extends StatelessWidget {
               'Todo-List Demo with moor',
               style: Theme.of(context)
                   .textTheme
-                  .subhead
+                  .subtitle1
                   .copyWith(color: Colors.white),
             ),
             decoration: BoxDecoration(color: Colors.orange),