feat: extension support (#78)

ui/flutter/lib/api/model/install_extension.g.dart

@@ -0,0 +1,19 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'install_extension.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+InstallExtension _$InstallExtensionFromJson(Map<String, dynamic> json) =>
+    InstallExtension(
+      devMode: json['devMode'] as bool? ?? false,
+      url: json['url'] as String,
+    );
+
+Map<String, dynamic> _$InstallExtensionToJson(InstallExtension instance) =>
+    <String, dynamic>{
+      'devMode': instance.devMode,
+      'url': instance.url,
+    };