PR: Custom Color Choice (#38)

javascripts/discourse/services/custom-color.gjs

@@ -0,0 +1,13 @@
+import { tracked } from "@glimmer/tracking";
+import { action } from "@ember/object";
+import Service from "@ember/service";
+
+export default class customColor extends Service {
+  @tracked color = localStorage.getItem("d-customColor") || "horizon";
+
+  @action
+  setColor(color) {
+    this.color = color;
+    localStorage.setItem("d-customColor", color);
+  }
+}