fix: Add section headers to prompt documentation for improved clarity

Author: MariusStorhaug

.github/prompts/constitution.prompt.md

@@ -2,6 +2,8 @@
 description: Create or update the project constitution from interactive or provided principle inputs, ensuring all dependent templates stay in sync.
 ---
 
+# Constitution
+
 The user input to you can be provided directly by the agent or as a command argument - you **MUST** consider it before proceeding with the prompt (if not empty).
 
 User input:

.github/prompts/implement.prompt.md

@@ -2,6 +2,8 @@
 description: Execute the implementation plan by processing and executing all tasks defined in tasks.md
 ---
 
+# Implement
+
 The user input can be provided directly by the agent or as a command argument - you **MUST** consider it before proceeding with the prompt (if not empty).
 
 User input:
@@ -26,7 +28,7 @@ $ARGUMENTS
 
 4. Execute implementation following the task plan:
    - **Phase-by-phase execution**: Complete each phase before moving to the next
-   - **Respect dependencies**: Run sequential tasks in order, parallel tasks [P] can run together  
+   - **Respect dependencies**: Run sequential tasks in order, parallel tasks [P] can run together
    - **Follow TDD approach**: Execute test tasks before their corresponding implementation tasks
    - **File-based coordination**: Tasks affecting the same files must run sequentially
    - **Validation checkpoints**: Verify each phase completion before proceeding

.github/prompts/plan.prompt.md

@@ -2,6 +2,8 @@
 description: Execute the implementation planning workflow using the plan template to generate design artifacts.
 ---
 
+# Plan
+
 The user input to you can be provided directly by the agent or as a command argument - you **MUST** consider it before proceeding with the prompt (if not empty).
 
 User input:

.github/prompts/specify.prompt.md

@@ -2,6 +2,8 @@
 description: Create or update the feature specification from a natural language feature description.
 ---
 
+# Specify
+
 The user input to you can be provided directly by the agent or as a command argument - you **MUST** consider it before proceeding with the prompt (if not empty).
 
 User input:

.github/prompts/tasks.prompt.md

@@ -2,6 +2,8 @@
 description: Generate an actionable, dependency-ordered tasks.md for the feature based on available design artifacts.
 ---
 
+# Tasks
+
 The user input to you can be provided directly by the agent or as a command argument - you **MUST** consider it before proceeding with the prompt (if not empty).
 
 User input: