timeout(1): Add EXAMPLES section

[fernape]

Summary

• Small EXAMPLES section showing the use of -s, -k and the different exit

status.

• Deliberately not bumping .Dd in the review

Test Plan

• mandoc -Tlint clean
• igor clean
• aspell happy
• man ./timeout.1 renders the page properly

[gbe]

usr.bin/timeout/timeout.1

183 ↗

(On Diff #74126)

I think that "the single page version of the" would be more correct here since the term single page in context of a book somehow implies "a single page of a book".

[fernape]

Improve wording as suggested by gbe@

[gbe]

Thanks for incorporating the suggested changes. I verified the examples and everything looks like a LGTM now.

[fernape]

In D25575#565865, @gbe wrote:

Thanks for incorporating the suggested changes. I verified the examples and everything looks like a LGTM now.

Thanks (again!) for reviewing this.