Describe the bug
When you don't have any users with a verified email and you try to log in, config.contact.email does not exist.

One possible way to handle it might be to make it optional

<div v-if="ready.config && config?.contact?.email">

Once that was in place I was given the option to resend the verification email.

• properly handle missing config.contact.email
• add admin notification area for missing config entries (can be used later for all kinds of messages to the admin)

Screenshots
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Desktop (please complete the following information):

• OS: Windows 11 pro 22H2
• Browser: Brave
• Version: Version 1.60.118 Chromium: 119.0.6045.163 (Official Build) (64-bit)](https://brave.com/latest/)

Smartphone (please complete the following information):
N/A

Additional context
Add any other context about the problem here.