test migration to CSSv7

[bourgeoa]

https://github.com/CommunitySolidServer/CommunitySolidServer/blob/main/RELEASE_NOTES.md#v700

solidcommunity.net CSS tests servers on port 3000 and 3001 are to be updated to CSS@6.
There is no data migration.
Configuration and templates need to be updated.

Configuration options are selected with the mashlib CSS configuration generator https://github.com/CommunitySolidServer/Recipes#-customizing-the-recipes

1. The following CSS configuration options are used :

• data and security management
  • filesystem with pod quota (default 7000 bytes)
  • HTTPS enabled with CLI keys
  • WAC
  • filesystem locking
• pod management
  • users registration enabled
  • email enabled
  • suffix for CSS on port 3001 : css:config/util/identifiers/suffix.json
  • subdomain for CSS on port 3000 : css:config/util/identifiers/subdomain.json
• miscellaneous
  • all notifications : webhooks, current and legacy websockets
  • static HTML page
  • initial setup disabled
• advance features
  • default values used

2. Template updates
   move resources to base folder and acl resources to acl folder
   • pod folder templates
   • root folder templates