/en/cli/commands/ returns 404 from the CLI overview

[jorisvilardell]

Describe the bug

/en/cli/overview links to /en/cli/commands/, which returns 404. The per-command pages do exist, under /en/cli/commands/realm, /en/cli/commands/user and so on — only the index the overview points at is missing.

Expected behaviour

Either add an index page at /en/cli/commands/ listing the commands, or point the overview link at the first command page. The first is preferable: the link reads as a table of contents.