feat: add license integration (#2346)

Changes:
- Adds integration for the license server.
- Prevent adding flags that the instance is not allowed to add

apps/remix/server/router.ts

@@ -10,6 +10,7 @@ import { tsRestHonoApp } from '@documenso/api/hono';
 import { auth } from '@documenso/auth/server';
 import { API_V2_BETA_URL, API_V2_URL } from '@documenso/lib/constants/app';
 import { jobsClient } from '@documenso/lib/jobs/client';
+import { LicenseClient } from '@documenso/lib/server-only/license/license-client';
 import { TelemetryClient } from '@documenso/lib/server-only/telemetry/telemetry-client';
 import { getIpAddress } from '@documenso/lib/universal/get-ip-address';
 import { env } from '@documenso/lib/utils/env';
@@ -140,4 +141,7 @@ if (env('NODE_ENV') !== 'development') {
   void TelemetryClient.start();
 }
 
+// Start license client to verify license on startup.
+void LicenseClient.start();
+
 export default app;