refactor(processor): ♻️ Restructure AppModule providers and imports for improved modularity and performance

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

services/processor/src/app.module.ts

@@ -35,6 +35,7 @@ import { AggregatedMetric } from './entities/aggregated-metric.entity';
         connection: {
           host: config.get('REDIS_HOST', 'localhost'),
           port: config.get('REDIS_PORT', 6379),
+          password: config.get('REDIS_PASSWORD') || undefined,
         },
       }),
     }),