* add a plain text email template
* use plain text email template for file based emails
* add config option to SMTP emails named disable_html_emails
* config option is a boolean that when set to true will only send plain text emails
* add docs for more complex SMTP notifier options
* update template
* add rfc1341 multipart logic to notifier
* check for errors after identity_verification
* * fix nil ptr
* go mod tidy
* remove needless checks
* * use multipart/atlernative instead
* * add rfc5322 compliant date header
* * fix linting issues
* [FEATURE] Customizable Email Subject
* allow users to optionally change email subject
* this is so they can more easily communicate the source of the email
* Update docs/configuration/notifier/smtp.md
Co-Authored-By: Amir Zarrinkafsh <nightah@me.com>
Co-authored-by: Clément Michaud <clement.michaud34@gmail.com>
Co-authored-by: Amir Zarrinkafsh <nightah@me.com>
* added regulation validator
* made regulations find_time and ban_time values duration notation strings
* added DefaultRegulationConfiguration for the validator
* made session expiration and inactivity values duration notation strings
* TOTP period does not need to be converted because adjustment should be discouraged
* moved TOTP defaults to DefaultTOTPConfiguration and removed the consts
* arranged the root config validator in configuration file order
* adjusted tests for the changes
* moved duration notation docs to root of configuration
* added references to duration notation where applicable
* project wide gofmt and goimports:
* run gofmt
* run goimports -local github.com/authelia/authelia -w on all files
* Make jwt_secret error uniform and add tests
* now at 100% coverage for internal/configuration/validator/configuration.go
