Add lava place sound

mods/CORE/mcl_sounds/README.txt

@@ -75,6 +75,10 @@ Voxelands project <http://www.voxelands.com/> (CC BY-SA 3.0)
 (Note: Artists from the Voxelands project include: sdzen, darkrose, sapier,
       Tom Peter, Telaron, juskiddink)
 
+Michel Baradari <https://opengameart.org/content/lava-splash> (CC BY 3.0)
+
+  default_place_node_lava.ogg
+
 Adam_N (CC0 1.0):
   player_falling_damage.ogg
     Source: <https://www.freesound.org/people/Adam_N/sounds/346692/>

mods/CORE/mcl_sounds/init.lua

@@ -135,6 +135,17 @@ function mcl_sounds.node_sound_water_defaults(table)
 	return table
 end
 
+function mcl_sounds.node_sound_lava_defaults(table)
+	table = table or {}
+	-- TODO: Footstep
+	table.place = table.place or
+			{name = "default_place_node_lava", gain = 1.0}
+	table.dug = table.dug or
+			{name = "default_place_node_lava", gain = 1.0}
+	-- TODO: Different dug sound
+	mcl_sounds.node_sound_defaults(table)
+	return table
+end
 
 -- Player death sound
 minetest.register_on_dieplayer(function(player)