Changes:
- Added a new action `deliver-partner-registration-submission`
- Added a new page: `/partners` A page where users can submit a form to
register as a partner (reseller or integrations) or register a deal
- Updated `deliver-deal-registration-submission` to work with the new
form.
- Removed the route for the `/deals` page, and added a redirect to the
/partners page.
- Added a new email template `email-partner-registration`
- Added fake template data to the email tempalte preview tool's view
action for the new/updated email templates.
---------
Co-authored-by: Mike Thomas <[email protected]>
