Biomass count on NPC death is loaded from config

Server/src/main/resources/config.properties

@@ -62,6 +62,8 @@ factory_max_npc_count=16
 harvester_hp_max=100
 # Harvester hp regeneration per tick
 harvester_regen=5
+# Number of biomass units dropped on death
+harvester_biomass_drop_count=8
 # ----------------------------------------------
 # Minimum center point count for the WorldGenerator
 wg_centerPointCountMin=5