WIP isar theme class

lib/models/isar/sw_theme.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/foundation.dart';
+import 'package:isar/isar.dart';
+
+@Collection(inheritance: false)
+class SWTheme {
+  /// should be a uuid
+  @Index(unique: true, replace: true)
+  final String id;
+
+  /// the theme name that will be displayed in app
+  final String name;
+
+  // system brightness
+  final String brightnessString;
+
+  /// convenience enum conversion for stored [brightnessString]
+  @ignore
+  Brightness get brightness {
+    switch (brightnessString) {
+      case "light":
+        return Brightness.light;
+      case "dark":
+        return Brightness.dark;
+      default:
+        // just return light instead of a possible crash causing error
+        return Brightness.light;
+    }
+  }
+}