feat: change examle into icing Kotlin folder (#33)

Reviewed-on: #33
Co-authored-by: Florian Griffon <florian.griffon@epitech.eu>
Co-committed-by: Florian Griffon <florian.griffon@epitech.eu>

dialer/android/app/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 android {
-    namespace = "com.example.dialer"
+    namespace = "com.icing.dialer"
     compileSdk = flutter.compileSdkVersion
     ndkVersion = flutter.ndkVersion
 
@@ -21,7 +21,7 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId = "com.example.dialer"
+        applicationId = "com.icing.dialer"
         // You can update the following values to match your application needs.
         // For more information, see: https://flutter.dev/to/review-gradle-config.
         minSdk = flutter.minSdkVersion

dialer/android/app/src/main/AndroidManifest.xml

@@ -1,4 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.icing.dialer">
     <uses-permission android:name="android.permission.READ_CONTACTS"/>
     <uses-permission android:name="android.permission.WRITE_CONTACTS"/>
     <uses-permission android:name="android.permission.CALL_PHONE" />

dialer/android/app/src/main/kotlin/com/icing/dialer/MainActivity.kt

@@ -1,4 +1,4 @@
-package com.example.dialer
+package com.icing.dialer
 
 import io.flutter.embedding.android.FlutterActivity