* Added new language server options and functionality.
Added new extended diagnostic code information to the language server.
-- It must be enabled via a command line switch.
Added telemetry data for language server initialization and operation.
Added verbose log messages for language server.
-- It must be enabled via a command line switch.
* fixed phpcs issues
* fixed failing tests
* changed the language server reported error code to be the help link
Co-authored-by: Anthony Rainer <0@0ze.ro>