Added portuguese translations (#587)

README.md

@@ -127,6 +127,7 @@ Currently, translations are available for these locales:
 * `Locale('es')`
 * `Locale('tr')`
 * `Locale('uk')`
+* `Locale('pt')`
 
 ### Contributing to translations
 The translation file is located at [lib/src/translations/toolbar.i18n.dart](lib/src/translations/toolbar.i18n.dart). Feel free to contribute your own translations, just copy the English translations map and replace the values with your translations. Then open a pull request so everyone can benefit from your translations!

lib/src/translations/toolbar.i18n.dart

@@ -104,6 +104,16 @@ extension Localization on String {
           'Please first select some text to transform into a link.':
               'Виділіть текст для створення посилання.',
         },
+        'pt': {
+          'Paste a link': 'Colar um link',
+          'Ok': 'Ok',
+          'Select Color': 'Selecionar uma cor',
+          'Gallery': 'Galeria',
+          'Link': 'Link',
+          'Please first select some text to transform into a link.':
+              'Por favor selecione primeiro um texto para '
+                  'transformá-lo em um link',
+        },
       };
 
   String get i18n => localize(this, _t);