added sounds to desert_gravel

depends.txt

+default

nodes.lua

@@ -2,11 +2,10 @@ minetest.register_node("illuna:desert_gravel", {
 	description = "Gravel",
 	tiles = {"desert_gravel.png"},
 	groups = {crumbly = 2, falling_node = 1},
-    --[ have to read api a bit, this feature will follow soon. ]--
-	--sounds = illuna.node_sound_dirt_defaults({
-	--	footstep = {name = "default_gravel_footstep", gain = 0.5},
-	--	dug = {name = "default_gravel_footstep", gain = 1.0},
-	--}),
+	    sounds = default.node_sound_dirt_defaults({
+        footstep = {name="default_gravel_footstep", gain=0.5},
+        dug = {name="default_gravel_footstep", gain=1.0},
+    }),
 	drop = {
 		max_items = 1,
 		items = {