EIP-Laurent

Implement external provider for EfficientIP SOLIDserver

8

Signed-off-by: EIP-Laurent **Description** This PR implements the provider interface for EfficientIP's SOLIDserver DNS **Checklist** - [X] Unit tests updated - [X] End user documentation updated

Hello Since the apache version 2.4.55 using mod_proxy_fcgi with php-fpm and mod_http2 If I do a `curl --http2 https://url/sse.php` when the php-fpm is restarted the proxy_fcgi is receiving the connection...