add CircuitPython_TMIDI helper library

.gitmodules

@@ -454,3 +454,6 @@
 [submodule "libraries/drivers/displayio_st7565"]
 	path = libraries/drivers/displayio_st7565
 	url = https://github.com/mateusznowakdev/CircuitPython_DisplayIO_ST7565.git
+[submodule "libraries/helpers/circuitpython_tmidi"]
+	path = libraries/helpers/tmidi
+	url = https://github.com/todbot/CircuitPython_TMIDI.git

circuitpython_community_library_list.md

@@ -135,6 +135,7 @@ Here is a listing of current CircuitPython Community Libraries. These libraries
 * [CircuitPython SoftKeyboard](https://github.com/FoamyGuy/CircuitPython_SoftKeyboard.git) Soft Keyboard for Touchscreens ([PyPi](https://pypi.org/project/circuitpython-softkeyboard/)) \([Docs](https://circuitpython-softkeyboard.readthedocs.io/en/latest/))
 * [CircuitPython Styles](https://github.com/jposada202020/CircuitPython_styles.git) Library helper to add styles to CircuitPython display functions CircuitPython widgets ([PyPi](https://pypi.org/project/circuitpython-styles)) \([Docs](https://circuitpython-styles.readthedocs.io/en/latest/))
 * [CircuitPython_TemperatureTools](https://github.com/CedarGroveStudios/CircuitPython_TemperatureTools.git) A collection of Dew Point, Heat Index, and  temperature unit helpers \([Docs](https://github.com/CedarGroveStudios/CircuitPython_TemperatureTools/blob/main/media/pseudo_rtd_cedargrove_temperaturetools.pdf))
+* [CircuitPython_TMIDI](https://github.com/todbot/CircuitPython_TMIDI.git) Alternate CircuitPython MIDI library, inherits from Winterbloom_SmolMIDI ([PyPi](https://pypi.org/project/circuitpython-tmidi/)) \([Docs](https://circuitpython-tmidi.readthedocs.io/en/latest/))
 * [CircuitPython_TOML](https://github.com/elpekenin/circuitpython_toml.git) A subset of CPython's built-in module for working with TOML data. Useful for complex data on `settings.toml` where `os.getenv` is not enough.
 * [CircuitPython_TouchCalibrator](https://github.com/CedarGroveStudios/CircuitPython_TouchCalibrator.git) A resistive touchscreen calibrator for Adafruit built-in and TFT FeatherWing displays
 * [CircuitPython TZDB](https://github.com/evindunn/circuitpython_tzdb) IANA timezones for adafruit_datetime ([PyPi](https://pypi.org/project/circuitpython-tzdb/)) \([Docs](https://circuitpython-tzdb.readthedocs.io/en/latest/))