Rename some things from v4 to v2

resources/assets/v2/dashboard.js

@@ -0,0 +1,42 @@
+/*
+ * dashboard.js
+ * Copyright (c) 2023 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import './bootstrap.js';
+import dates from './pages/shared/dates.js';
+import boxes from './pages/dashboard/boxes.js';
+
+const comps = {dates, boxes};
+
+function loadPage(comps) {
+    Object.keys(comps).forEach(comp => {
+        let data = comps[comp]();
+        Alpine.data(comp, () => data);
+    });
+    Alpine.start();
+}
+
+// wait for load until bootstrapped event is received.
+document.addEventListener('firefly-iii-bootstrapped', () => {
+    loadPage(comps);
+});
+// or is bootstrapped before event is triggered.
+if (window.bootstrapped) {
+    loadPage(comps);
+}