##### 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

pkgs = []
        downgrade_pkgs = []
        res = {}
        res['results'] = []
        res['msg'] = ''
        res['rc'] = 0
        res['changed'] = False
        for spec in items:
            pkg = None
            downgrade_candidate = False
            
            if spec.endswith('.rpm') or '://' in spec:
                if '://' not in spec and not os.path.exists(spec):
                    res['msg'] += "No RPM file matching '%s' found on system" % spec
                    res['results'].append("No RPM file matching '%s' found on system" % spec)
                    res['rc'] = 127  
                    self.module.fail_json(**res)
                if '://' in spec:
                    with self.set_env_proxy():
                        package = fetch_file(self.module, spec)
                        if not package.endswith('.rpm'):
                            
                            
                            new_package_path = '%s.rpm' % package
                            os.rename(package, new_package_path)