Remove trailing whitespace from tasks.md template

Author: azuma317

templates/commands/tasks.md

@@ -13,10 +13,10 @@ Given the context provided as an argument, do this:
 2. Load and analyze available design documents:
    - Always read plan.md for tech stack and libraries
    - IF EXISTS: Read data-model.md for entities
-   - IF EXISTS: Read contracts/ for API endpoints  
+   - IF EXISTS: Read contracts/ for API endpoints
    - IF EXISTS: Read research.md for technical decisions
    - IF EXISTS: Read quickstart.md for test scenarios
-   
+
    Note: Not all projects have all documents. For example:
    - CLI tools might not have contracts/
    - Simple libraries might not need data-model.md