Implement members feature

[elevenpassin]

Overview

• I can search a list of users.
• I can view more information about a user, build experience
• I can add new members and edit details of members
• I can filter members by skill, job etc

In detail

• Implement models for members and projects (Add models for Members and Projects #2)
• Implement graphql types for members and projects (Implement type definitions #5)
• Implement resolvers for members and projects (Implement resolvers for members and projects #4)
• Implement Authentication (Implement Authentication #6)
• Import existing user data and provide a way for users to setup their account
• Implement filtering and pagination features