How to switch from a root domain to a subdomain for QUIC.cloud

Additional Resources:
Switching from a root domain to a subdomain documentation:
docs.quic.cloud/cdn/dns/www/
The many other ways to configure QUIC.cloud DNS:
docs.quic.cloud/cdn/dns/
Your QUIC.cloud Dashboard:
my.quic.cloud
Onboarding your subdomain with QUIC.cloud CDN:
docs.quic.cloud/onboarding/
• QUIC.cloud onboarding
Redirecting old root domain links to the subdomain:
Add the following snippet to your .htaccess file: docs.quic.cloud/cdn/dns/www/#...
Search and replace root domain URLs with subdomain URLs:
wordpress.org/plugins/better-...