Add NUMA flag to config header

Document the flag like all other flags we have.

Author: Spottedleaf

src/main/java/ca/spottedleaf/moonrise/common/util/ConfigHolder.java

@@ -33,6 +33,7 @@ public final class ConfigHolder {
             -D%1$s.ConfigFile=<file> - Override the config file location. Might be useful for multiple game versions.
             -D%1$s.WorkerThreadCount=<number> - Override the auto configured worker thread counts (worker-threads).
             -D%1$s.MaxViewDistance=<number> - Overrides the maximum view distance, should only use for debugging purposes.
+            -D%1$s.NumaScheduling=<true/false> - Enable NUMA aware scheduling if supported.
             """, PlatformHooks.get().getBrand());
 
     static {