[x] ApplicationFlow does a good job outlining the various capabilities. Is everything covered?
[x] Looks like you have a good start on the screens. I think accessing messages could be more straightforward using just a link, rather than requiring two click to read a message. Thoughts? Same thing for Users
[x] Consider the readme.md as the home page for your repository and the first thing prospective employers might see. I think this could be improved, cleaned up some. For example, Links to db design and screen flow are broken on readme.md.
[x] I didn't find the db design, did I miss it somehow? If the database is already created, you can generate diagrams of the tables and place those in your repository so there's a nice visual available.
Looks like you've made some great progress already!