Add post command tips

[austin5456]

What I did

• Added post command tips on some common commands

Related issue

(not mandatory) A picture of a cute animal, if possible in relation to what you did
docker mcp tools ls

docker mcp tools count

docker mcp client connect <client-name>

docker mcp severs ls

docker mcp server enable <server-name>

docker mcp server disable <server-name>

docker mcp catalog ls

docker mcp catalog show

[Daniel-Kolev]

lgtm. Left a few nitpicks. I think it might be a good idea for @docker/ui-copy to also take a look.

Also I believe the known feature flag you suggested is a good idea. Feel free to implement it in here or in another PR 🙏

[aevesdocker]

👋 thanks for the tag @Daniel-Kolev
@austin5456 just changed the order of text to front-load the sentence and some other consistency/style guide nits. Thanks!