This is not possible.
If you want easy access to the "By Folder" screen, please use your browser's bookmark or favorites feature.
PC
▼Create, view, and edit bookmarks in Chrome
https://support.google.com/chrome/answer/188842?hl=ja&co=GENIE.Platform%3DDesktop&oco=0
▼Add a website to your favorites in Safari on Mac
https://support.apple.com/ja-jp/guide/safari/sfri22092/16.0/mac/11.0
Mobile
▼Add Folder or Manual Icons to iPhone Home Screen (Mobile Browser)
https://teachme.jp/8/manuals/42393319
▼Create, view, and edit bookmarks in Chrome
https://support.google.com/chrome/answer/188842?hl=ja&co=GENIE.Platform%3DAndroid
Supplement (Administrator Features)
If you want to display all the manuals needed by specific users in one place, please also consider using portal pages.
Portal pages allow you to consolidate information related to tasks onto a single page.
By creating a portal page and recommending that users bookmark it, users can quickly access the pages they need.
▼Tell me about the portal page feature
https://help.teachme.jp/hc/en-us/articles/21838465421593
▼[Use Case] Portal Pages | How to Make Better Use of Manuals in the Workplace
https://help.teachme.jp/hc/en-us/articles/22749574246169
▼[Creation Example] Portal Pages | How to Make Manuals "Easier to Find"
https://help.teachme.jp/hc/en-us/articles/22757365070105