feat: add tenant and user management with migrations, handlers, and tests

- Implemented tenant and user management features including:
  - Tenant creation and management with associated migrations.
  - User creation and management with associated migrations.
  - Tenant membership management with associated migrations.
  - Platform user roles management with associated migrations.
  - Quota management with associated migrations.
  - Article and template management with associated migrations.
- Added HTTP handlers for templates and workspaces.
- Created tests for protected and public routes.
- Introduced a script to check tenant scope in SQL queries.
- Documented task plan for backend completion and frontend foundation.

apps/admin-web/src/router/meta.d.ts

@@ -0,0 +1,14 @@
+import "vue-router";
+
+declare module "vue-router" {
+  interface RouteMeta {
+    title?: string;
+    description?: string;
+    titleKey?: string;
+    descriptionKey?: string;
+    requiresAuth?: boolean;
+    navKey?: string;
+  }
+}
+
+export {};