<!--- 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 -->
In gitlab_hook module doesn't have parameter "Comment" which is necessary for my DevOps flow and generally very useful for triggering a job. Without this option, I and a lot of people cannot use this module fully. 

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
https://docs.ansible.com/ansible/latest/modules/gitlab_hook_module.html

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->
1. I use the newest version of ansible.
2. It's about this option in gitlab:
[![comments.png](https://i.postimg.cc/C5tkJdJ7/comments.png)](https://postimg.cc/sGYMgjkG)
<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

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

gitlab_hook:
    api_url: https://gitlab.example.com/
    api_token: "{{ access_token }}"
    project: "my_group/my_project"
    hook_url: "https://my-ci-server.example.com/gitlab-hook"
    state: present
    push_events: yes
    tag_push_events: yes
    hook_validate_certs: no
    token: "my-super-secret-token-that-my-ci-server-will-check"
- name: "Delete the previous hook"
  gitlab_hook:
    api_url: https://gitlab.example.com/
    api_token: "{{ access_token }}"
    project: "my_group/my_project"
    hook_url: "https://my-ci-server.example.com/gitlab-hook"
    state: absent
- name: "Delete a hook by numeric project id"
  gitlab_hook:
    api_url: https://gitlab.example.com/
    api_token: "{{ access_token }}"
    project: 10
    hook_url: "https://my-ci-server.example.com/gitlab-hook"
    state: absent
'''
RETURN = '''
msg:
  description: Success or failure message
  returned: always
  type: str