Added CircuitPython_Button_Handler.

Author: EGJ-Moorington

.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/button_handler"]
+	path = libraries/helpers/button_handler
+	url = https://github.com/EGJ-Moorington/CircuitPython_Button_Handler.git

circuitpython_community_library_list.md

@@ -96,6 +96,7 @@ Here is a listing of current CircuitPython Community Libraries. These libraries
 * [CircuitPython Base64](https://github.com/jimbobbennett/CircuitPython_Base64) RFC 3548: Base16, Base32, Base64 Data Encodings ([PyPi](https://pypi.org/project/circuitpython-base64)) \([Docs](https://circuitpython.readthedocs.io/projects/base64/en/latest/))
 * [CircuitPython_BLE_Cycling_Power_Service](https://github.com/EzrSchwartz/Circuitpython_BLE_Cycling_Power_Service.git) Extracting power in watts from a bluetooth low energy cycling power meter.
 * [CircuitPython Boxplot](https://github.com/jposada202020/CircuitPython_uboxplot) Helps calculate and graphs boxplots ([PyPi](https://pypi.org/project/circuitpython-uboxplot/)) \([Docs](https://circuitpython-uboxplot.readthedocs.io/en/latest/))
+* [CircuitPython_Button_Handler](https://github.com/EGJ-Moorington/CircuitPython_Button_Handler.git) Simplifies the usage of buttons by handling different types of button presses.([PyPI](https://pypi.org/project/circuitpython-button-handler/)) \([Docs](https://circuitpython-button-handler.readthedocs.io/en/stable/))
 * [CircuitPython Candlesticks](https://github.com/jposada202020/CircuitPython_Candlesticks.git) Graphical representation of the stock movement in candlestick form ([PyPi](https://pypi.org/project/circuitpython-Candlesticks)) \([Docs](https://circuitpython-candlesticks.readthedocs.io/))
 * [CircuitPython_Chime](https://github.com/CedarGroveStudios/CircuitPython_Chime.git) A class for generating wind chime and bell sounds using synthio. \([Docs](https://github.com/CedarGroveStudios/CircuitPython_Chime/blob/main/media/pseudo_rtd_cedargrove_chime.pdf))
 * [CircuitPython ColorPicker](https://github.com/jposada202020/CircuitPython_color_picker.git) Color Picker for CircuitPython. Allows to pick a color directly from CircuitPython, giving you the color information ([PyPi](https://pypi.org/project/circuitpython-color-picker) )\([Docs](https://circuitpython-color-picker.readthedocs.io/))