### Summary

Add RedOS support for hostname module plugin

### Issue Type

Feature Idea

### Component Name

hostname

### Additional Information

Just add class of redos for hostname
```
class RedosHostname(Hostname):
    platform = 'Linux'
    distribution = 'RED'
    strategy_class = SystemdStrategy
```


### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
platform = 'Linux'
    distribution = 'Anolis'
    strategy_class = RedHatStrategy
class ClearLinuxHostname(Hostname):
    platform = 'Linux'
    distribution = 'Clear-linux-os'
    strategy_class = SystemdStrategy
class CloudlinuxserverHostname(Hostname):
    platform = 'Linux'
    distribution = 'Cloudlinuxserver'
    strategy_class = RedHatStrategy
class CloudlinuxHostname(Hostname):
    platform = 'Linux'
    distribution = 'Cloudlinux'
    strategy_class = RedHatStrategy
class AlinuxHostname(Hostname):
    platform = 'Linux'
    distribution = 'Alinux'
    strategy_class = RedHatStrategy
class CoreosHostname(Hostname):
    platform = 'Linux'
    distribution = 'Coreos'
    strategy_class = SystemdStrategy
class FlatcarHostname(Hostname):
    platform = 'Linux'
    distribution = 'Flatcar'
    strategy_class = SystemdStrategy
class ScientificHostname(Hostname):