### Summary

From a mastodon user - the password parameter could make it clearer that is a password hash.

Ideally, the key would be called password_hash instead of password. 

If that is not possible, it would be nice to add a disclaimer that this doesn't encrypt the password for you. You could also extend the examples of the user module to show how to set the user password by calculating the hash with the jinja2 filter.


### Issue Type

Documentation Report

### Component Name

user

### Ansible Version

```console
$ ansible --version
2.15
```


### Configuration

```console
# if using a version older than ansible-core 2.12 you should omit the '-t all'
$ ansible-config dump --only-changed -t all
none
```


### OS / Environment

none

### Additional Information

none

### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
if self.groups is None:
            return None
        info = self.user_info()
        groups = set(x.strip() for x in self.groups.split(',') if x)
        for g in groups.copy():
            if not self.group_exists(g):
                self.module.fail_json(msg="Group %s does not exist" % (g))
            if info and remove_existing and self.group_info(g)[2] == info[3]:
                groups.remove(g)
        return groups
    def user_group_membership(self, exclude_primary=True):
        ''' Return a list of groups the user belongs to '''
        groups = []
        info = self.get_pwd_info()
        for group in grp.getgrall():
            if self.name in group.gr_mem:
                
                if not exclude_primary:
                    groups.append(group[0])
                else:
                    if info[3] != group.gr_gid:
                        groups.append(group[0])
        return groups
    def user_exists(self):