Test: Refactor route test to use test_client fixture

Test: Add and use fixture for test user

Update readme

Test: basic index route test

Add test files for routes and models. Write simple User test

Add User model

Format routes

Fix app config issue

Add pytest

Add flask-login, flask_sqlalchemy

Refactor app into class

Update readme

add base html template

Run app via run file

Create app, context and routes