Migrate old admin modules and local crud deps

Port pages for data forms, score admin, student maintenance,
vacation records, menu routing, and workbench. Add team switching,
dynamic menu loading, viewport scaling, and bundled local fast-crud
packages.

lib/fast-crud/dist/d/utils/util.string.d.ts

@@ -0,0 +1,9 @@
+declare function isEmpty(value?: string | null): boolean;
+declare function isAllEmpty(...values: any): boolean;
+declare function hasEmpty(...values: any): boolean;
+declare const StringUtils: {
+    isEmpty: typeof isEmpty;
+    isAllEmpty: typeof isAllEmpty;
+    hasEmpty: typeof hasEmpty;
+};
+export default StringUtils;