add global config file manager

[peterjah]

No description provided.

[thomas-senechal]

Looks good to me

[codecov]

Codecov Report

Attention: Patch coverage is 21.05263% with 30 lines in your changes missing coverage. Please review.

Project coverage is 50.45%. Comparing base (846ab8e) to head (ed1bb55).
Report is 13 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/handler/wallet/sign.go	17.64%	26 Missing and 2 partials ⚠️
pkg/assets/dollar.go	0.00%	1 Missing ⚠️
pkg/network/operation.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #978      +/-   ##
==========================================
- Coverage   51.63%   50.45%   -1.18%     
==========================================
  Files          46       46              
  Lines        2750     2735      -15     
==========================================
- Hits         1420     1380      -40     
- Misses       1141     1171      +30     
+ Partials      189      184       -5     

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