feat(health): add health checks to server api

server/src/app.module.ts

@@ -9,6 +9,7 @@ import { ConfigModule } from './config/config.module';
 import { DatabaseModule } from './database/database.module';
 import { HttpExceptionFilter } from './filters/http-exception.filter';
 import { FontsModule } from './fonts/fonts.module';
+import { HealthModule } from './health/health.module';
 import { IntegrationsModule } from './integrations/integrations.module';
 import { MailModule } from './mail/mail.module';
 import { PrinterModule } from './printer/printer.module';
@@ -32,6 +33,7 @@ import { UsersModule } from './users/users.module';
     FontsModule,
     IntegrationsModule,
     PrinterModule,
+    HealthModule,
   ],
   providers: [
     {