Allow Customization of User Story Template Markdown

[davis9001]

As a project manager or team member
I want to customize the user story template in markdown format
So that I can tailor the template to better fit the specific needs and workflows of our team.

Acceptance Criteria

• Given the current user story template, when I access the customization options, then I should be able to modify the markdown structure and content.
• Given I have customized the template, when I create or update user stories, then the new format should be applied.
• Given a customized template, when other team members use it, then they should have a clear understanding of the expected format and content requirements.

Additional Details

• Provide an interface for editing and previewing the markdown template.
• Support common markdown features and placeholders for dynamic content.
• Allow users to save and share customized templates across the team.

Definition of Done

• A user-friendly interface for customizing the user story template.
• The ability to preview and apply customized templates.
• Documentation on how to create and manage customized templates.