Add a TDXT extractor and partial updater.

tdxtutils

@@ -0,0 +1,12 @@
+#! /usr/bin/env python3
+if __name__ == "__main__":
+    import os
+    path = os.path.abspath(os.path.dirname(__file__))
+    name = os.path.basename(__file__)
+
+    import sys
+    sys.path.append(path)
+    os.environ["SQLALCHEMY_SILENCE_UBER_WARNING"] = "1"
+
+    import runpy
+    runpy.run_module(f"bemani.utils.{name}", run_name="__main__")