Address some build warnings

android/build.gradle.kts

@@ -94,6 +94,7 @@ dependencies {
 }
 
 android {
+    namespace = "ca.gosyer.jui.android"
     defaultConfig {
         applicationId = "ca.gosyer.jui.android"
         versionCode = migrationCode
@@ -133,4 +134,4 @@ kotlin {
     jvmToolchain {
         languageVersion.set(JavaLanguageVersion.of(Config.androidJvmTarget.majorVersion))
     }
-}
+}

android/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="ca.gosyer.jui.android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- Internet -->
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
@@ -41,4 +41,4 @@
             android:name=".data.library.AndroidLibraryService"
             android:exported="false" />
     </application>
-</manifest>
+</manifest>