This is an MVP for the EPIC #3712

• When someone creates a user account, she receives a welcome notification. This notification is a customizable text from the admin with links to a general Help page. Welcome notification #4304
• Clicking the link goes to the full Help page, reusing this layout: https://www.decidim.barcelona/accountability/sections#planificacio
• There must be a backend interface with predefined content that admins can override. In this interface there will be a section to define the contextual help of each participation space.
• These sections must be shown as annoucements in the header of each space.

Tasks

• Design for admin interface where the following contents are configured:
  • Welcome message
  • Page: "What can I do in instancename?
• Add announcements to the general index/home of each space