Update cli.md
Update cli.md

Use `-it` combination in example instead of `-ti`, because this is how it used everywhere in examples.

Update dockerfile_best-practices.md

Fix typo in command name

Signed-off-by: Dmitry Gusev <d7848463b3e7f81308d837fee1f978ca8428664f@gmail.com>

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