Walking Wake and the Guardian Beast!

- Added preliminary data for Walking Wake and the new Legendary Pokemon Shi-Shi.
- Changed Bellignan's dex entry to reference how Sprout Tower was constructed.
- Changed some dialogue in Sprout Tower to reflect this.

Wake sprite by EyeDonutz
Shi-Shi sprite by me, but still unfinished. Will definitely rework sometime.

data/pokemon/dex_entries/shi_shi.asm

@@ -0,0 +1,10 @@
+	db "GUARDIAN@" ; species name
+	dw 1002, 6060 ; height, weight
+
+	db   "Said to be the"
+	next "embodiment of the"
+	next "the north wind, it"
+
+	page "leads and protects"
+	next "those fleeing from"
+	next "persecution.@"