docs: note about updating default branch

Jacky Zhao

2023-08-20 03fd62496f94c7cc007f802fc10290581d08deb0

 quartz/plugins/emitters/index.ts

@@ -3,3 +3,6 @@
export { FolderPage } from "./folderPage"
export { ContentIndex } from "./contentIndex"
export { AliasRedirects } from "./aliases"
export { Assets } from "./assets"
export { Static } from "./static"
export { ComponentResources } from "./componentResources"