Takes a config list produced by `otp_make_config()` and saves it as json file for OTP
See also
Other setup:
otp_build_graph(),
otp_check_java(),
otp_check_version(),
otp_dl_demo(),
otp_dl_jar(),
otp_make_config(),
otp_setup(),
otp_stop(),
otp_validate_config()
Examples
if (FALSE) { # \dontrun{
conf <- otp_make_config("build")
otp_write_config(conf, dir = tempdir())
} # }
