message: Show build duration and number of generated files
diff: @@ -485,6 +485,7 @@ export default class Site {
  // Save the pages and copy static files in the dest folder
  const pages = await this.writer.savePages(this.pages);
  const staticFiles = await this.writer.copyFiles(this.files);
  + this.logger.log();
  await this.dispatchEvent({ type: "afterBuild", pages, staticFiles });
  }
  @@ -521,6 +522,10 @@ export default class Site {
  const pages = await this.writer.savePages(this.pages);
  const staticFiles = await this.writer.copyFiles(this.files);
  + if (pages.length || staticFiles.length) {
  + this.logger.log();
  + }
  +
  await this.dispatchEvent({
  type: "afterUpdate",
  files,
  