chore(i18n): refactor and cleanup (#805)

* checkpoint

* finish

* docs

quartz/components/ExplorerNode.tsx

@@ -12,7 +12,7 @@ import {
 type OrderEntries = "sort" | "filter" | "map"
 
 export interface Options {
-  title: string
+  title?: string
   folderDefaultState: "collapsed" | "open"
   folderClickBehavior: "collapse" | "link"
   useSavedState: boolean