Add file containing color values needed to tint spawn eggs

tools/egg_colors.txt

@@ -0,0 +1,64 @@
+Colors used to tint various spawn eggs:
+
+agent			#ff0a0a	#b7825a
+bat				#4c3e30	#0f0f0f
+bee				#eec244	#43241b
+blaze			#f6b201	#fff87e
+cat				#ffe9a5	#987253
+cave_spider		#0c424e	#a80e0e
+chicken			#a1a1a1	#ff0000
+clownfish		#ef6915	#fff9ef
+cod				#c1a76a	#e5c48b
+cow				#443626	#a1a1a1
+creeper			#0da70a	#000000
+dolphin			#223b4d	#f9f9f9
+donkey			#534539	#867566
+drowned			#8ff1d7	#799c66
+elderguardian	#ceccba	#747693
+endermite		#161616	#6d6d6d
+evoker			#959b9b	#1e1c1a
+fish			#c1a76a	#e5c48b
+fox				#d5b6a0	#cc6920
+ghast			#f9f9f9	#bcbcbc
+glow_squid		#095757	#87f6c0
+guardian		#5a8272	#f17d31
+horse			#c09e7d	#eee500
+husk			#777361	#ded88f
+lava_slime		#340000	#fcfc00
+llama			#c09e7d	#995f40
+mask			#ff0000	#ffff00
+mule			#1b0200	#51331d
+mushroomcow		#a00f10	#b7b7b7
+null			#ffffff	#ffffff
+ocelot			#efde7d	#564434
+panda			#fdfdfa	#15151c
+parrot			#0da70a	#ff0000
+phantom			#44528b	#89ff00
+pig				#f0a5a2	#db635f
+pigzombie		#ea9393	#4c7129
+pillager		#532f36	#959b9b
+polarbear		#f2f2f2	#959590
+pufferfish		#f6b201	#37c3f1
+rabbit			#995f40	#734831
+ravager			#747470	#5b5049
+salmon			#a00f10	#0e8474
+sheep			#e7e7e7	#ffb5b5
+shulker			#946694	#4d3852
+silverfish		#6d6d6d	#313131
+skeleton		#c1c1c1	#494949
+skeletonhorse	#68684f	#e5e5d8
+slime			#52a03e	#7ebf6d
+spider			#342d26	#a80e0e
+squid			#223b4d	#708999
+stray			#5f7476	#dae8e7
+turtle			#e7e7e7	#00afaf
+vex				#7a90a4	#e8edf1
+villager		#563d33	#bc8b72
+vindicator		#959b9b	#275e61
+wanderingtrader	#406297	#e6a02e
+witch			#340000	#51a03e
+wither			#141414	#474d4d
+wolf			#d7d3d3	#ceaf96
+zombie			#00afaf	#799c66
+zombiehorse		#2a5a37	#84d080
+zombievillager	#563d33	#799c66