Feature: Implement Invoice Template Customization

[AArchange]

trafficstars

Description: Develop functionality to allow users to customize invoice templates according to their branding requirements and specific business needs. Tasks: Design a template customization interface. Implement functionality for users to add logos, change colors, and modify layout. Ensure templates are saved and applied correctly. Acceptance Criteria: Users can create and save customized invoice templates. Customized invoices reflect the changes when generated.