dmitryt

implemented additional route for checking usernames

2

Closes #3

Async validation during Signup

1

It will be convenient for user to get backend validation error(such as "User with such name already exists") before submitting the form. For instance, when user finishes entering the username,...

I think, it's rather easier to launch such services via Docker. 1. We shouldn't take care about libraries' version. 2. We incapsulate data within additional layer (if we're talking about...

Add package.json

2

It will be more convenient to install the library via npm

- [ ] tests and linter show no problems (`npm t`) - [ ] tests are added/updated for bug fixes and new features - [ ] code is properly formatted...