Add task for building upgrade

src/Task/UpgradeBuildingTask.ts

@@ -0,0 +1,21 @@
+import Scheduler from '../Scheduler';
+import GoToBuildingAction from '../Action/GoToBuildingAction';
+import UpgradeBuildingAction from '../Action/UpgradeBuildingAction';
+import { QueueItem } from '../Queue';
+
+export default class UpgradeBuildingTask {
+    static NAME = 'upgrade_building';
+    private scheduler: Scheduler;
+
+    constructor(scheduler: Scheduler) {
+        this.scheduler = scheduler;
+    }
+
+    run(args) {
+        console.log('RUN', UpgradeBuildingTask.NAME, 'with', args);
+        this.scheduler.pushAction(new QueueItem(GoToBuildingAction.NAME, args));
+        this.scheduler.pushAction(
+            new QueueItem(UpgradeBuildingAction.NAME, args)
+        );
+    }
+}