ADD: added admin panel and archiv mandates

prisma/migrations/20260313000002_company_archived_invoice_deleted/migration.sql

@@ -0,0 +1,7 @@
+-- Rename ARCHIVED -> DELETED in InvoiceStatus enum
+ALTER TABLE `invoices` MODIFY COLUMN `status` ENUM('DRAFT', 'SENT', 'PAID', 'CANCELLED', 'DELETED') NOT NULL DEFAULT 'DRAFT';
+
+-- Add archived fields to companies
+ALTER TABLE `companies`
+  ADD COLUMN `archived`   TINYINT(1) NOT NULL DEFAULT 0,
+  ADD COLUMN `archivedAt` DATETIME(3) NULL;