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/MrPsychicsHouse.asm

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+_TM29PreReceiveText::
+	text "...Wait! Don't"
+	line "say a word!"
+
+	para "You wanted this!"
+	prompt
+
+_ReceivedTM29Text::
+	text "<PLAYER> received"
+	line "@"
+	TX_RAM wcf4b
+	text "!@@"
+
+_TM29ExplanationText::
+	text "TM29 is PSYCHIC!"
+
+	para "It can lower the"
+	line "target's SPECIAL"
+	cont "abilities."
+	done
+
+_TM29NoRoomText::
+	text "Where do you plan"
+	line "to put this?"
+	done