initial plans. for the Implementation of Multi-currency support.

[compgeniuses]

his will allow and enable the system, to properly handle, finachi API, wit multiple Payment gateways as well.

Description

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Fixes #(issue)

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Refactor (no functional changes)

How Has This Been Tested?

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• Manual testing

Test Configuration:

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Checklist:

• My code follows the project's code style
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (if applicable)
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

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Additional context:

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