* refactor(suites): replace selenium with go-rod
This change replaces [tebeka/selenium](https://github.com/tebeka/selenium) with [go-rod](https://github.com/go-rod/rod).
We no longer have a chromedriver/external driver dependency to utilise Selenium as we instead utilise the Chrome Dev Protocol to communicate with the browser.
Rod [documents](https://go-rod.github.io/#/why-rod) benefits of choosing the library as opposed to the available alternatives.
This PR changes the suites tests so if go test -short is used, they are skipped per go standards and a message is displayed. Additionally removed some redundant types from suite_high_availability_test.go and adjusted a warning about a nil req var.
* Added `ActiveDirectory` suite for integration tests with Samba AD
* Updated documentation
* Minor styling refactor to suites
* Clean up LDAP user provisioning
* Fix Authelia home splash to reference correct link for webmail
* Add notification message for password complexity errors
* Add password complexity integration test
* Rename implementation default from rfc to custom
* add specific defaults for LDAP (activedirectory implementation)
* add docs to show the new defaults
* add docs explaining the importance of users filter
* add tests
* update instances of LDAP implementation names to use the new consts where applicable
* made the 'custom' case in the UpdatePassword method for the implementation switch the default case instead
* update config examples due to the new defaults
* apply changes from code review
* replace schema default name from MSAD to ActiveDirectory for consistency
* fix missing default for username_attribute
* replace test raising on empty username attribute with not raising on empty
Co-authored-by: James Elliott <james-d-elliott@users.noreply.github.com>
