[feat]support passing a config file via acro_init()

[jim-smith]

Is your request related to a problem? Please describe.
currently the system only uses the default acro config (risk appetite) file.
Describe the alternative behaviour you'd like
We should support the ability to pass a string holding ther file path of a project-specific config file

Describe alternatives you've considered
pass it as an additional string
Additional context
Add any other context or screenshots about the feature request here.

[jim-smith]

closed by #35