Clean up comments

Base data: types uniquely lacked a comment; items on one line; distinguish unknowns
Dex entries: don't imply that pointers don't exist

data/pokemon/dex_entries/dragonair.asm

@@ -1,10 +1,10 @@
-; DragonairPokedexEntry: ; 0x1cc7dc
 	db "DRAGON@" ; species name
 	dw 1301, 360 ; height, weight
 
 	db   "It is called the"
 	next "divine #MON."
 	next "When its entire"
+
 	page "body brightens"
 	next "slightly, the"
 	next "weather changes.@"