Add chicken egg lay sound

mods/ENTITIES/mobs_mc/README.md

@@ -4,6 +4,7 @@ assembled by maikerumine
 compatable with Mobs Redo API
 
 ## LICENSING
+Note: In the following file name lists, the asterisk (“`*`”) is a placeholder which stands for any sequence of characters.
 
 ### Code
 MIT License
@@ -11,10 +12,13 @@ MIT License
 by PilzAdam and others
 
 ### Sound files
-- `mobs_*.ogg`
+
-	- MIT License, from `mobs_animal` and `mobs_monster` by TenPlus1
 - `mobs_mc_squid_hurt.ogg`
 	- !!! UNKNOWN LICENSE !!! Author: daufinsyd
+- `mobs_mc_chicken_lay_egg.ogg`
+	- WTFPL, by PilzAdam and Wuzzy
+- `mobs_*.ogg` (except the files above)
+	- MIT License, from `mobs_animal` and `mobs_monster` by TenPlus1
 - `blaze_breath.ogg`
 - `blaze_died1.ogg`
 	- !!! UNKNOWN LICENSE !!! Author: daufinsyd

mods/ENTITIES/mobs_mc/chicken.lua

@@ -108,7 +108,7 @@ mobs:register_mob("mobs_mc:chicken", {
 
 		minetest.add_item(pos, "mcl_throwing:egg")
 
-		minetest.sound_play("default_place_node_hard", {
+		minetest.sound_play("mobs_mc_chicken_lay_egg", {
 			pos = pos,
 			gain = 1.0,
 			max_hear_distance = 5,