##### Summary
Document " <, >, <=, => " operators in name parameter of yum/dnf module. Currently the documentation does not mention that comparison operators are available, but they do work.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
yum/dnf module

##### ADDITIONAL INFORMATION
The value operators work currently in the yum/dnf modules
```
yum :
   name: "pkg >= 1"
   state: present
```

Yum/dnf will determine the version available and install it if it matches the comparison operator

version_added: "2.7"
  download_only:
    description:
      - Only download the packages, do not install them.
    default: "no"
    type: bool
    version_added: "2.7"
  lock_timeout:
    description:
      - Amount of time to wait for the dnf lockfile to be freed.
    required: false
    default: 30
    type: int
    version_added: "2.8"
  install_weak_deps:
    description:
      - Will also install all packages linked by a weak dependency relation.
    type: bool
    default: "yes"
    version_added: "2.8"
  download_dir:
    description:
      - Specifies an alternate directory to store packages.
      - Has an effect only if I(download_only) is specified.
    type: str
    version_added: "2.8"
  allowerasing:
    description:
      - If C(yes) it allows  erasing  of  installed  packages to resolve dependencies.
    required: false