3 anime reference trainers

This adds Duplica, Ritchie, and Casey to various Kanto areas, aiming to make the routes a bit more populated. They're also quite strong.

Minor rewrite on Silver's Victory Road quote to legitimise the lack of trainers, just like HGSS.

maps/Route5.asm

@@ -1,5 +1,6 @@
 	object_const_def
 	const ROUTE5_POKEFAN_M
+	const ROUTE5_DUPLICA
 
 Route5_MapScripts:
 	def_scene_scripts
@@ -37,6 +38,42 @@ HouseForSaleSignText:
 	line "Nobody lives here."
 	done
 
+; Duplica is an anime character based on the Copycat.
+; Adding her here to populate this route with a trainer. Not normally done, but making Kanto feel alive is very important.
+; Plus, since she's a Ditto specialist, we can add some extra Mimmeo lore to substantiate its existence.
+TrainerLassDuplica:
+	trainer LASS, DUPLICA, EVENT_BEAT_LASS_DUPLICA, LassDuplicaSeenText, LassDuplicaBeatenText, 0, .Script
+
+.Script:
+	endifjustbattled
+	opentext
+	writetext LassDuplicaAfterBattleText
+	waitbutton
+	closetext
+	end
+
+LassDuplicaSeenText:
+	text "You must know all"
+	line "#MON to use DITTO!"
+	done
+
+LassDuplicaBeatenText:
+	text "I've got a lot"
+	line "to learn!"
+	done
+
+LassDuplicaAfterBattleText:
+	text "MIMMEO is very"
+	line "strange."
+	
+	para "It learns moves"
+	line "that can help"
+	cont "its TRANSFORM!"
+	
+	para "It slicks around" ; explaining its ridiculous speed with some quasi-lore.
+	line "so quickly, too!"
+	done
+
 Route5_MapEvents:
 	db 0, 0 ; filler
 
@@ -54,3 +91,4 @@ Route5_MapEvents:
 
 	def_object_events
 	object_event 17, 16, SPRITE_POKEFAN_M, SPRITEMOVEDATA_STANDING_DOWN, 0, 0, -1, -1, PAL_NPC_RED, OBJECTTYPE_SCRIPT, 0, Route5PokefanMScript, EVENT_ROUTE_5_6_POKEFAN_M_BLOCKS_UNDERGROUND_PATH
+	object_event 18,  6, SPRITE_LASS, SPRITEMOVEDATA_STANDING_LEFT, 0, 0, -1, -1, PAL_NPC_GREEN, OBJECTTYPE_TRAINER, 3, TrainerLassDuplica, -1