ADD: Create Opt-in checkbox for being mentioned on the show.

[kjaymiller]

Create Opt-in checkbox for if the person would be okay with being mentioned in the show as a topic or event contributor.

This can be added to the options along with the have read and agree to the code of conduct.

[kjaymiller]

in the terms section in both add_topic.yaml and Add Conference.yaml

 - type: checkboxes
    id: terms
    attributes:
      label: Code of Conduct
      description: By submitting this issue, you agree to follow our [Code of Conduct](https://example.com)
      options:
        - label: I agree to follow this project's Code of Conduct
          required: true

• change the Label to "Terms and Approvals"
• change the description to "Please check all of the appropriate and desired options"
• under options add a label with the text "I allow the hosts to mention me as a contributor of the content above"

[jonafato]

This is implemented on the new repository at https://github.com/Python-Community-News/Topics.