add comments to qm.container service

[pengshanyu]

resolve part of: #384
Update [Service] section in qm.container to describe in short comments what are the options.

[pengshanyu]

I am not sure about the parameter values for qm scenario, I did some searching and refer to "systemd.resource-control - Resource control unit settings".
Hi @dougsland , @Yarboa , could you please give me some review and reference? Thanks.

[Yarboa]

@pengshanyu

There is also this PR #678
This is quadlet file, it is all written in man quadlet

related to man please search for /\[Service\]
It refers you to that one, as you already found, why not redirecting users to that?

[Service] table and [Install] tables pass directly to systemd and are handled by  it.
       See systemd.unit(5) man page for more information.

So I would suggest to show where to find the relevant directive for the service
man systemd.directives
You could find each directive, to refer

man systemd.directives | grep -A1 ".* AllowedCPUs=.*"
       AllowedCPUs=
           systemd.resource-control(5)

then man systemd.resource-control explains the relevant information

Please share your thoughts here
If we are not aware of it, i assume other contributors will repeat the same loop

So instead of wording, I would refer to the relevant man section, which is all about systemd and resource-control

[pengshanyu]

Hi @Yarboa , thank you so much for your suggestion.
You are right. Refer to the relevant man section people can get more accurate information.
You mean that in the comment, we just need to write the man command for example man systemd.resource-control, right? So that they can directly find the relevant parameters.

[Yarboa]

please see my comment below

[pengshanyu]

Hi @Yarboa , could you please help to review it again, thanks.

[Yarboa]

LGTM