Docs/add-language-annotation-to-code-block (#151)

* chore: Ready custom_theme brick for release

* docs: Add language annotation to code block

* docs: Add language annotation to code block in README.md

formigas_go_router/CHANGELOG.md

@@ -1,3 +1,7 @@
+# 0.1.1
+## Docs
+- Add language tag to code snippets in README.md
+
 # 0.1.0
 
 ## Docs

formigas_go_router/README.md

@@ -18,7 +18,7 @@ The `app.dart` file must use the `MaterialApp` widget and the homeRoute must eit
 If there is another widget than the `MaterialApp` the goRouter file is still created, but the `app.dart` file is not modified accordingly.
 
 A valid `app.dart` file can look like this:
-```
+```dart
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:counter_app/common/theme/custom_themes.dart';