add credits printing

src/main.c

@@ -98,6 +98,7 @@ int palera1n(int argc, char *argv[]) {
 	pthread_mutex_init(&found_pongo_mutex, NULL);
 	pthread_mutex_init(&ecid_dfu_wait_mutex, NULL);
 	if ((ret = build_checks())) return ret;
+	print_credits();
 	if ((ret = optparse(argc, argv))) goto cleanup;
 	if (checkrain_option_enabled(host_flags, host_option_palerain_version)) goto normal_exit;
 #ifdef DEV_BUILD