Add subdirectories to data/ similar to pokecrystal

Top level text/ is now solely for the former text/maps/ files, and other files are in their respective subdirectories in data/.

text/PokemonMansion2F.asm

@@ -0,0 +1,47 @@
+_Mansion2BattleText1::
+	text "I can't get out!"
+	line "This old place is"
+	cont "one big puzzle!"
+	done
+
+_Mansion2EndBattleText1::
+	text "Oh no!"
+	line "My bag of loot!"
+	prompt
+
+_Mansion2AfterBattleText1::
+	text "Switches open and"
+	line "close alternating"
+	cont "sets of doors!"
+	done
+
+_Mansion2Text3::
+	text "Diary: July 5"
+	line "Guyana,"
+	cont "South America"
+
+	para "A new #MON was"
+	line "discovered deep"
+	cont "in the jungle."
+	done
+
+_Mansion2Text4::
+	text "Diary: July 10"
+	line "We christened the"
+	cont "newly discovered"
+	cont "#MON, MEW."
+	done
+
+_Mansion2Text_520c2::
+	text "A secret switch!"
+
+	para "Press it?"
+	done
+
+_Mansion2Text_520c7::
+	text "Who wouldn't?"
+	prompt
+
+_Mansion2Text_520cc::
+	text "Not quite yet!"
+	done