v2.2.0 - Ready for the first client

What's Changed

• Hotfix | disable admin slug by @khalidmaquilang in #60
• Hotfix | cant create purchase order by @khalidmaquilang in #61
• Feature | remove unused permission by @khalidmaquilang in #62
• Feature | added menu item by @khalidmaquilang in #63
• Hotfix | fix create user through invitation by @khalidmaquilang in #64
• Hotfix | kick function missing by @khalidmaquilang in #65
• Feature | test cases by @khalidmaquilang in #66
• Feature | subscription by @khalidmaquilang in #67
• Hotfix | fix design by @khalidmaquilang in #68
• Hotfix | able to join existing users by @khalidmaquilang in #69
• v2.2.0 - Hotfix | disable admin slug + Hotfix | cant create purchase order + Feature | remove unused permission + Feature | added menu item + Hotfix | fix create user through invitation + Hotfix | kick function missing + Feature | test cases + Feature | subscription + Hotfix | fix design + Hotfix | able to join existing users by @khalidmaquilang in #70

Full Changelog: v2.1.0...v2.2.0