refactor(core): Make new configs consistent (no-changelog) (#10393)

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

@@ -0,0 +1,12 @@
+import { Config, Env } from '../decorators';
+
+@Config
+export class TemplatesConfig {
+	/** Whether to load workflow templates. */
+	@Env('N8N_TEMPLATES_ENABLED')
+	enabled = true;
+
+	/** Host to retrieve workflow templates from endpoints. */
+	@Env('N8N_TEMPLATES_HOST')
+	host = 'https://api.n8n.io/api/';
+}