message: improved comments to clarify engines
diff: @@ -110,14 +110,14 @@ export interface Engine {
  /** Delete a cached template */
  deleteCache(file: string): void;
  - /** Render a template */
  + /** Render a template (used to render pages) */
  render(
  content: unknown,
  data?: Data,
  filename?: string,
  ): unknown | Promise<unknown>;
  - /** Render a template synchronous */
  + /** Render a template synchronous (used to render components) */
  renderSync(
  content: unknown,
  data?: Data,
  