Warn about age

Condense copyright information

Use single backticks, not triple

Remove links at end of README.md

Linkify title and add tagline to README.md

Clarify that this is a regex

Fix no period at end of sentence

Clarify systemd, nginx, and letsencrypt usage

Describe valid file names using regex

De-capitalize headings

Remove NAME heading

Add information about group

Move optional shell to its own line

Add tmp-login

This script is being used for testing.

Blockquote reference to the tmp service

Move project information to the end of README.md

Put setup instructions into a separate file

Add NOTES

Add COPYRIGHT section

Use NAME header