Mutually reference Windows and non-Windows modules (#25482)

* Mutually reference Windows and non-Windows modules

To make it easier for Windows or non-Windows users to find the relevant
module information, we are mutually referencing both variants in their
documentation.

We are also adding a special note if a module works on both Windows and
non-Windows targets.

* Mutually reference Windows and non-Windows modules

To make it easier for Windows or non-Windows users to find the relevant
module information, we are mutually referencing both variants in their
documentation.

We are also adding a special note if a module works on both Windows and
non-Windows targets.

* Replace 'look at' with 'use', as requested

ci_complete

lib/ansible/modules/windows/win_command.py

@@ -35,6 +35,7 @@ description:
        processed through the shell, so variables like C($env:HOME) and operations
        like C("<"), C(">"), C("|"), and C(";") will not work (use the M(win_shell)
        module if you need these features).
+     - For non-Windows targets, use the M(command) module instead.
 options:
   free_form:
     description:
@@ -57,6 +58,7 @@ notes:
       environment.
     - C(creates), C(removes), and C(chdir) can be specified after the command. For instance, if you only want to run a command if a certain file does not
       exist, use this.
+    - For non-Windows targets, use the M(command) module instead.
 author:
     - Matt Davis
 '''