[FEATURE] Automate JSON Import

[JFerragamoIBX]

Is your feature request related to a problem? Please describe.
No problem, this is an enhancement request.

Describe the solution you'd like
Automate the import of a JSON file for connecting to Graph.
Prompt once for JSON location and save for future application launches.
Support for encrypted JSON files for masking of client secrets.

Describe alternatives you've considered
None

Additional context
None