Help text for `app:create` needs some love

[mm-pagely]

Example:

      --wpTitle[=WPTITLE]                              Enter the title of the site:
      --wpAdminUser[=WPADMINUSER]                      Enter the WP admin username:
      --wpAdminPass[=WPADMINPASS]                      Enter the WP admin password:
      --wpAdminEmail[=WPADMINEMAIL]                    Enter the WP admin email address:
      --wpIsMultisite[=WPISMULTISITE]                  Is this a multi-site WP app?
      --wpMultisiteSubdomains[=WPMULTISITESUBDOMAINS]  Multi-site mode:

[mm-pagely]

Really really need to do some refactoring in AppTypes while I'm on this.

[baohx2000]

with the stacks refactor this is no longer a thing. The individual configs will be app resources and can be set separately. If they are not set, the release response will let you know.