##### 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

enablerepo:
    description:
      - I(Repoid) of repositories to enable for the install/update operation.
        These repos will not persist beyond the transaction.
        When specifying multiple repos, separate them with a C(",").
      - As of Ansible 2.7, this can alternatively be a list instead of C(",")
        separated string
    type: list
    elements: str
    version_added: "0.9"
  disablerepo:
    description:
      - I(Repoid) of repositories to disable for the install/update operation.
        These repos will not persist beyond the transaction.
        When specifying multiple repos, separate them with a C(",").
      - As of Ansible 2.7, this can alternatively be a list instead of C(",")
        separated string
    type: list
    elements: str
    version_added: "0.9"
  conf_file:
    description:
      - The remote yum configuration file to use for the transaction.
    type: str
    version_added: "0.6"
  disable_gpg_check:
    description:
      - Whether to disable the GPG checking of signatures of packages being
        installed. Has an effect only if state is I(present) or I(latest).
    type: bool