Document for Clarity addressing bug reports

[whitesnowx]

In addressing the report and justification:

Status	Action	Addressed Bug Report
✅	Specify the allowance for duplicate phone numbers	#189, #177
✅	Specify the allowance for duplicate emails	#179
✅	(Known Issue) Indicate workaround for phone descriptors if needed as known issues	#192
✅	(Known Issue) Indicate workaround for non-numeric names such as s/o	#178
✅	(Known Issue) Indicate workaround for venues containing prefix	#219
✅	Sort to be better described regarding attributes*	#207, #187

*remove by attribute [ATTRIBUTE] in the sort feature