feat: Move over the platform API

pigeon/platform.dart

@@ -0,0 +1,22 @@
+import 'package:pigeon/pigeon.dart';
+
+@ConfigurePigeon(
+  PigeonOptions(
+    dartOut: 'lib/pigeon/platform.g.dart',
+    kotlinOut: 'android/src/main/kotlin/org/moxxy/moxxy_native/platform/PlatformApi.kt',
+    kotlinOptions: KotlinOptions(
+      package: 'org.moxxy.moxxy_native.platform',
+    ),
+  ),
+)
+
+@HostApi()
+abstract class MoxxyPlatformApi {
+  String getPersistentDataPath();
+
+  String getCacheDataPath();
+
+  void openBatteryOptimisationSettings();
+
+  bool isIgnoringBatteryOptimizations();
+}