zsh: Reword some descriptions
zsh: Reword some descriptions

Use of "Set ..." and "Specify ..." are removed in favor of directly
using nouns.

Also:

 - add description for `run --isolation`
 - reduce description of `run --shm-size`
 - fix `daemon --bip` argument handling

Signed-off-by: Vincent Bernat <87e1f221a672a14a323e57bb65eaea19d3ed3804@bernat.im>

ashfall/cli,docker/cli,dnephin/cli,cpuguy83/cli,Zebrilee/cli,Zebrilee/cli,e11137/cli,ashfall/cli,redpanda/cli,riyazdf/cli,allencloud/cli,allencloud/cli,redpanda/cli,riyazdf/cli,thaJeztah/cli,cpuguy83/cli,dnephin/cli,thaJeztah/cli,docker/cli,e11137/cli