SaaS application

Hi This is a SaaS application that provide business owner the capabilities to send design documents to a client and maintain the status / approval of this designdocument , similar to workflow engin , the ultimate goal is to allow business to share design documents and have clients to comment and approve the proposed design. requirement Accessibility - User login User sign up User reset password Two factor authentication support Business logic - Business owner register and sign up Business owner create profile Business owner maintain client DB Business owner share proposed design to a client ( thru email , link or WhatsApp) Support the communication (documents exchange) between business and clients Document status ( when the document was last seen by the client ) Document approval cycle ( document must a Pre defined approval procedure) Document update notification thru email Document update notification thru SMS Application must list and search thru all produced documents Technologies requirements - Microservices architecture We’ll document code style Back-end on nodejs Front-end on vuejs / React DB nosql Responsive front end please don't bid in this project without estimated finish time thanks