fix(auth): example needs multidex support

packages/wyatt_authentication_bloc/example/.gitignore

@@ -44,3 +44,5 @@ app.*.map.json
 /android/app/debug
 /android/app/profile
 /android/app/release
+
+lib/firebase_options.dart

packages/wyatt_authentication_bloc/example/android/app/build.gradle

@@ -47,7 +47,7 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.example.authentication_bloc_example"
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 21
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

packages/wyatt_authentication_bloc/pubspec.yaml

@@ -3,8 +3,6 @@ description: Authentication BLoC for Flutter
 repository: https://git.wyatt-studio.fr/Wyatt-FOSS/wyatt-packages/src/branch/master/packages/wyatt_authentication_bloc
 version: 0.2.0-dev.0
 
-publish_to: none
-
 environment:
   sdk: ">=2.15.1 <3.0.0"
   flutter: ">=1.17.0"