feat(core): Allow overriding npm registry for community packages (#10325)

packages/@n8n/config/src/configs/nodes.ts

@@ -26,6 +26,10 @@ class CommunityPackagesConfig {
 	@Env('N8N_COMMUNITY_PACKAGES_ENABLED')
 	enabled: boolean = true;
 
+	/** NPM registry URL to pull community packages from */
+	@Env('N8N_COMMUNITY_PACKAGES_REGISTRY')
+	registry: string = 'https://registry.npmjs.org';
+
 	/** Whether to reinstall any missing community packages */
 	@Env('N8N_REINSTALL_MISSING_PACKAGES')
 	reinstallMissing: boolean = false;