Fix missing parentheses in async_button and buzzer Docs link

Author: prcutler

circuitpython_community_library_list.md

@@ -94,8 +94,8 @@ Here is a listing of current CircuitPython Community Libraries. These libraries
 * [CircuitPython_AirQualityTools](https://github.com/CedarGroveStudios/CircuitPython_AirQualityTools.git) Calculate PM2.5 and CO2 air quality levels ([Docs](https://github.com/CedarGroveStudios/CircuitPython_AirQualityTools/blob/main/media/pseudo_rtd_cedargrove_airqualitytools.pdf))
 * [CircuitPython ArrowLine](https://github.com/jposada202020/CircuitPython_ArrowLine.git) Utility function to draw arrow lines using vectorio and DisplayIO ([PyPi](https://pypi.org/project/circuitpython-ArrowLine))  ([Docs](https://circuitpython-arrowline.readthedocs.io/))
 * [CircuitPython_async](https://github.com/WarriorOfWire/CircuitPython_async.git) Pure Python cooperative multitasking implementation for the async/await language syntax
-* [CircuitPython_async_button](https://github.com/furbrain/CircuitPython_async_button.git) async implementation of a button - allows detection of single, double and triple clicks \[Docs](https://circuitpython-async-button.readthedocs.io/en/latest/))
-* [CircuitPython_async_buzzer](https://github.com/furbrain/CircuitPython_async_buzzer.git) Utility to play simple tunes via pwmio asynchronously \[Docs](https://circuitpython-async-buzzer.readthedocs.io/en/latest/))
+* [CircuitPython_async_button](https://github.com/furbrain/CircuitPython_async_button.git) async implementation of a button - allows detection of single, double and triple clicks ([Docs](https://circuitpython-async-button.readthedocs.io/en/latest/))
+* [CircuitPython_async_buzzer](https://github.com/furbrain/CircuitPython_async_buzzer.git) Utility to play simple tunes via pwmio asynchronously ([Docs](https://circuitpython-async-buzzer.readthedocs.io/en/latest/))
 * [CircuitPython AzureCustomVision Prediction](https://github.com/jimbobbennett/CircuitPython_AzureCustomVision_Prediction) CircuitPython prediction library for the Azure custom vision service ([PyPi](https://pypi.org/project/circuitpython-azurecustomvision-prediction)) ([Docs](https://circuitpython.readthedocs.io/projects/circuitpython_azurecustomvision_prediction/en/latest/))
 * [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.