Update funding section

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Drop cookie value from error messages

change from button to link

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Add a link "Search on builds.robur.coop" to the unikernel page

unikernel update: use info.memory for memory, fixes #215 (introduced in #155)

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Send email as quoted-printable encoded

separate testing email config from saving email config

use sendmail instead of submit

only store email configuration if we succesfully send an email

modify to use a test email

refactor email sending to create happy_eyeballs once and reuse

fix minor bug