v0.0.41

• added CRM features for clients
  • added lead status with automatic changes based on client actions
  • allow filtering clients in table: by origin, lead and invitation statuses
• improvements in client overview page
  • show more details
  • allow to create a quote
• allow to create discounts codes so they can be used in customer portal checkout
• allow to set a shipping address as the default when creating quotes for a given client
• implement notifications for more events, specially on actions between supplier-client to ease communication
• several fixes and improvements