@startDocuBlock get_admin_server_mode @brief Return the mode of this server (read-only or default) @RESTHEADER{GET /_admin/server/mode, Return whether or not a server is in read-only mode, handleMode:get} @RESTDESCRIPTION Return mode information about a server. The json response will contain a field `mode` with the value `readonly` or `default`. In a read-only server all write operations will fail with an error code of `1004` (_ERROR_READ_ONLY_). Creating or dropping of databases and collections will also fail with error code `11` (_ERROR_FORBIDDEN_). This is a public API so it does *not* require authentication. @RESTRETURNCODES @RESTRETURNCODE{200} This API will return HTTP 200 if everything is ok @endDocuBlock