feat: Extend current tasks list/Add new tasks based on a new feature PRD instead of replacing current tasks

[mayankjindalmj]

"Direct quote or clear summary of user request or need or user story."

Motivation

When working with feature specific PRDs in the same project, I want to be able to extend the current tasks list, instead of replacing the entire tasks list when trying to parse a new PRD.

Proposed Solution

Clearly describe the proposed feature, including:

This can be achieved by add an argument in the parse-prd command to extend current tasks list instead of replacing the entire list.

Example Workflow

Provide a clear, concrete example demonstrating the feature:

$ task-master parse-prd --extend-list
→ Added 5 new tasks. Total tasks: 15

[Crunchyman-ralph]

this is possible, you can do it with task-master parse-prd --input=<path-to-file> --apend

Although we recommend to create 1 PRD per tag instead of appending PRDs to each other :D