[FEAT|backend] Projects API

[JoshiCodes]

• List own projects
• Create Project
• Get specific project (own)
• Get public project (any)
• Edit Project (own)
• Delete Project (own)
• Admin Actions (delete/edit/change owner) (admin only)

Project:

• id : uuid (auto generated)
• title : string
• owner : user reference
• description : string | optional
• redirect_uris : string[]
• icon_url : string | optional
• client_secret : string (auto generated)