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/walking_wake.asm

@@ -0,0 +1,10 @@
+	db "PARADOX@" ; species name
+	dw 1106, 6170 ; height, weight
+
+	db   "Ecology under"
+	next "research."
+	next ""
+
+	page "Ecology under"
+	next "research."
+	next "@"