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/PokemonMansionB1F.asm

@@ -0,0 +1,39 @@
+_Mansion4BattleText1::
+	text "Uh-oh. Where am"
+	line "I now?"
+	done
+
+_Mansion4EndBattleText1::
+	text "Awooh!"
+	prompt
+
+_Mansion4AfterBattleText1::
+	text "You can find stuff"
+	line "lying around."
+	done
+
+_Mansion4BattleText2::
+	text "This place is"
+	line "ideal for a lab."
+	done
+
+_Mansion4EndBattleText2::
+	text "What"
+	line "was that for?"
+	prompt
+
+_Mansion4AfterBattleText2::
+	text "I like it here!"
+	line "It's conducive to"
+	cont "my studies!"
+	done
+
+_Mansion4Text7::
+	text "Diary; Sept. 1"
+	line "MEWTWO is far too"
+	cont "powerful."
+
+	para "We have failed to"
+	line "curb its vicious"
+	cont "tendencies..."
+	done