Extending documentation in config.sample.php for `trusted_proxies`
Extending documentation in config.sample.php for `trusted_proxies`

Signed-off-by: Oliver Wegner <156d0306e6c95eeb276e4ce174644f9956528a5c@gmail.com>

nextcloud/server,nextcloud/server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,nextcloud/server,nextcloud/server,andreas-p/nextcloud-server,andreas-p/nextcloud-server