fix: breadcrumbs displayName issue for file names ending with index (#839)

Neel Shah

2024-02-11 b5295e0f261dd6dc7903bae2102115340ccd46dd

 quartz/components/Breadcrumbs.tsx

@@ -68,8 +68,8 @@
      folderIndex = new Map()
      // construct the index for the first time
      for (const file of allFiles) {
        if (file.slug?.endsWith("index")) {
          const folderParts = file.slug?.split("/")
        const folderParts = file.slug?.split("/")
        if (folderParts?.at(-1) === "index") {
          // 2nd last to exclude the /index
          const folderName = folderParts?.at(-2)
          if (folderName) {