Add SMTP modules (smtp, smtp_info) for US10.

[anazobec]

Added SMTP modules for US10:

• module_utils: smtp
• modules: smtp, smtp_info

Example usages are:

# ---------- Module smtp
- name: Modify SMTP configuration without authentication
  scale_computing.hypercore.smtp:
    server: smtp-relay.gmail.com
    port: 25
    use_ssl: False
    requires_auth: False
    from_address: example@example.com

- name: Modify SMTP configuration with authentication
  scale_computing.hypercore.smtp:
    server: smtp-relay.gmail.com
    port: 25
    use_ssl: False
    requires_auth: True
    username: example
    password: example123
    from_address: example@example.com

- name: Modify SMTP configuraiton with required params only
  scale_computing.hypercore.smtp:
    server: smtp-relay.gmail.com
    port: 25

# ---------- Module smtp_info
- name: List SMTP Configuration
  scale_computing.hypercore.smtp_info:
  register: smtp_info
- ansible.builtin.debug:
    msg: "{{ smtp_info }}"