feat: Bare Minimum CRM

[DancingRain12]

Can't we ADD A SIMPLE CRM like lead management or just people selection with notes? Just a Very Simple CRM and Note-taking or Mindmap This will be the best Book software Sir...if this thing is added............ERP Next is an Ultimate solution but complicated but Frappe Book is THE BEST for ANYONE. My kindly request Just add a very Simple CRM..

1. Can ERP NEXT have a desktop version, Sir ???
2. And can we install any plugins or addons (If yes, where we can download them)in FrappeBook for more tools?

Please reply sir
**Thank you so much for building such a mind-blowing app**