Update CONTRIBUTING.md
Update CONTRIBUTING.md
Update CONTRIBUTING.md

Corrección.
Update CONTRIBUTING.md
Se crea un branch para trabajar los atributos y dominios
Se agregan modelos de account_fiscal_attribute, account_fiscal_allocation_set y fiscal domain a account.tax
merge attribute
- Fine-Tuning and Integration to account_fiscal_attirbutes
- Incorporate account_fiscal_attributes
- Minor changes, cleanup, TODOs and Structure
- Moved AllocationSets to aacount_fiscal_rule