Update init-letsencrypt.sh to support subdomain configurations

[keironstoddart]

Sometimes a user wants to specify an explicit subdomain for the establishment of the SSL certificate. In this case, you do not want to append www to the domain in the list of domains to test the Let's Encrypt certification process against.

[vercel[bot]]

@keironstoddart is attempting to deploy a commit to the Danswer Team on Vercel.

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[keironstoddart]

Hi @yuhongsun96, let me know if you need any more information here. I love everything you guys have done here and I believe this minor update will be well received.

[keironstoddart]

Cheers! You are most welcome.