Chore: Update indexes

[seanpm2001]

Prerequisites

• I verified that this is not an existing issue
• This is not a question, poll, or discussion
• I checked the documentation to understand that the issue I report is not a normal behavior

Description

Indexes (graphic design folder and file lists) for all lettered and numbered directories are out of date, and need to be updated with the proper listing of sub-directories. There also needs to be a way to do this easily and quickly, and possibly automate this task.