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 dashboard login page shown in the issue and trace the authentication entry point in this repository. Confirm the intended signup flow and its relationship to the existing login screen; the work is done when users can reach signup from that screen and the flow is verified.

Written by the indexing model from the issue text.