feat(licenses): implement license management and validation features

- Added a new licenses application to handle license key management.
- Implemented API endpoints for validating license keys and managing paid features.
- Introduced a new component for enabling paid features in the dashboard.
- Updated database schema to include a licenseKey field for users.
- Refactored server API to remove the admin router and integrate license validation into user operations.
- Enhanced the monitoring setup process to require valid license keys.
- Updated pnpm workspace configuration to include the new licenses app.

packages/server/src/db/schema/user.ts

@@ -56,6 +56,7 @@ export const users_temp = pgTable("user_temp", {
 	logCleanupCron: text("logCleanupCron"),
 	// Metrics
 	enablePaidFeatures: boolean("enablePaidFeatures").notNull().default(false),
+	licenseKey: text("licenseKey"),
 	metricsConfig: jsonb("metricsConfig")
 		.$type<{
 			server: {