adding a signup option as well

Describe the bug
no sign up button available

To Reproduce
Steps to reproduce the behavior:
Go to 'https://enatega.com/'
Click on 'Admin Web Dashboard'
Scroll down 'preview live demo'
See error https://multivendor-admin.enatega.com/#/auth/login

Expected behavior
signup button

Screenshots
https://multivendor-admin.enatega.com/#/auth/login

Desktop (please complete the following information):

OS: [e.g. iOS]
Browser [e.g. chrome, safari]
Version [e.g. 22]
Smartphone (please complete the following information):

Device: [e.g. iPhone6]
OS: [e.g. iOS8.1]
Browser [e.g. stock browser, safari]
Version [e.g. 22]
Additional context
Add any other context about the problem here.

Start at the Admin Web Dashboard entry point and the login page shown at https://multivendor-admin.enatega.com/#/auth/login. Determine where authentication screens are defined and add the requested signup option so users can begin registration from the dashboard login page.

Written by the indexing model from the issue text.