CONFIGURATION:
Define an attach action in `.iwe/config.toml`:
[actions.today]
type = "attach"
title = "{{today}}"
key_template = "daily/{{today}}"
EXAMPLES:
# Discover available attach actions
iwe attach --list
# Attach a document under one configured target
iwe attach --to today -k meetings/standup
# Attach the same document under multiple targets at once
iwe attach --to today --to weekly -k meetings/standup
# Preview without writing
iwe attach --to today --to weekly -k meetings/standup --dry-run