fix: check content-type before applying spa patch (closes #597)

Jacky Zhao

2023-11-17 3f0be7fbe470500a57c457ad1d1c039175330697

 quartz/plugins/emitters/index.ts

@@ -1 +1,10 @@
export { ContentPage } from './contentPage'
export { ContentPage } from "./contentPage"
export { TagPage } from "./tagPage"
export { FolderPage } from "./folderPage"
export { ContentIndex } from "./contentIndex"
export { AliasRedirects } from "./aliases"
export { Assets } from "./assets"
export { Static } from "./static"
export { ComponentResources } from "./componentResources"
export { NotFoundPage } from "./404"
export { CNAME } from "./cname"