Feature request: add rtk rewrite for `du`

[oysi2025]

Context

rtk discover --all shows du as an unhandled command:

• 84 invocations in the last 30 days
• Typical usage: checking disk usage of directories and log files

Request

Add an RTK rewrite/filter for du output. Recursive directory listings can produce hundreds of lines that could be summarized.

Example commands

sudo du -sh /var/log/* 2>/dev/null
du -sh /home/ubuntu/services/*
du -h --max-depth=1 /home/ubuntu

Found via rtk discover --all.