### 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
return self.strategy.get_current_hostname()
    def set_current_hostname(self, name):
        self.strategy.set_current_hostname(name)
    def get_permanent_hostname(self):
        return self.strategy.get_permanent_hostname()
    def set_permanent_hostname(self, name):
        self.strategy.set_permanent_hostname(name)
class BaseStrategy(object):
    def __init__(self, module):
        self.module = module
        self.changed = False
    def update_current_and_permanent_hostname(self):
        self.update_current_hostname()
        self.update_permanent_hostname()
        return self.changed
    def update_current_hostname(self):
        name = self.module.params['name']
        current_name = self.get_current_hostname()
        if current_name != name:
            if not self.module.check_mode:
                self.set_current_hostname(name)
            self.changed = True
    def update_permanent_hostname(self):
        name = self.module.params['name']
        permanent_name = self.get_permanent_hostname()
        if permanent_name != name:
            if not self.module.check_mode:
                self.set_permanent_hostname(name)
            self.changed = True
    def get_current_hostname(self):