Code PHP for login page

[alin82]

Task Tests

Test 1

1. Connect computer to UB network / UB VPN if outside campus
2. Go to webpage
3. Click Registration to redirect to registration page
4. Right on the page and click on inspect
5. In the inspect bar, click on network
6. Fill out the registration form (First name, last name, email, password, confirm password) and hit submit
7. Click on login.php and verify there is a POST request

[ryanayam]

Please add labels and task tests to this issue