<!--- Verify first that your feature was not already discussed on GitHub -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
Atm, there is no way to put the server in rescue mode

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
hcloud_server

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->
Atm, Since I can use the hetzner api, I'm using the following code to put it into rescue:
<!--- Paste example playbooks or commands between quotes below -->
```yaml
    - name: Enable rescue
      uri:
        url: "https://api.hetzner.cloud/v1/servers/{{ item }}/actions/enable_rescue"
        method: POST
        status_code: 201
        body_format: json
        body:
          type: "linux64"
          ssh_keys: [341997]
        headers:
          Content-Type: "application/json"
          Authorization: "Bearer {{ hostvars['localhost']['hetzner_api_token'] }}"
      with_items:
        - "{{ server_id }}"
```

<!--- HINT: You can also paste gist.github.com links for larger files -->

return AnsibleModule(
            argument_spec=dict(
                id={"type": "int"},
                name={"type": "str"},
                image={"type": "str"},
                server_type={"type": "str"},
                location={"type": "str"},
                datacenter={"type": "str"},
                user_data={"type": "str"},
                ssh_keys={"type": "list"},
                volumes={"type": "list"},
                labels={"type": "dict"},
                backups={"type": "bool", "default": False},
                upgrade_disk={"type": "bool", "default": False},
                force_upgrade={"type": "bool", "default": False},
                state={
                    "choices": ["absent", "present", "restarted", "started", "stopped", "rebuild"],
                    "default": "present",
                },
                **Hcloud.base_module_arguments()
            ),
            required_one_of=[['id', 'name']],
            mutually_exclusive=[["location", "datacenter"]],
            supports_check_mode=True,
        )
def main():