chore: clean up repo for public release

- Remove BMAD framework, IDE configs, dev screenshots, test files,
  internal docs, and backup files
- Rename keep-notes/ to memento-note/
- Update all references from keep-notes to memento-note
- Add Apache 2.0 license with Commons Clause (non-commercial restriction)
- Add clean .gitignore and .env.docker.example

.agent/skills/bmad-cis-storytelling/template.md

@@ -1,113 +0,0 @@
-# Story Output
-
-**Created:** {{date}}
-**Storyteller:** {{agent_role}} {{agent_name}}
-**Author:** {{user_name}}
-
-## Story Information
-
-**Story Type:** {{story_type}}
-
-**Framework Used:** {{framework_name}}
-
-**Purpose:** {{story_purpose}}
-
-**Target Audience:** {{target_audience}}
-
-## Story Structure
-
-### Opening Hook
-
-{{opening_hook}}
-
-### Core Narrative
-
-{{core_narrative}}
-
-### Key Story Beats
-
-{{story_beats}}
-
-### Emotional Arc
-
-{{emotional_arc}}
-
-### Resolution/Call to Action
-
-{{resolution}}
-
-## Complete Story
-
-{{complete_story}}
-
-## Story Elements Analysis
-
-### Character/Voice
-
-{{character_voice}}
-
-### Conflict/Tension
-
-{{conflict_tension}}
-
-### Transformation/Change
-
-{{transformation}}
-
-### Emotional Touchpoints
-
-{{emotional_touchpoints}}
-
-### Key Messages
-
-{{key_messages}}
-
-## Variations AND Adaptations
-
-### Short Version (Tweet/Social)
-
-{{short_version}}
-
-### Medium Version (Email/Blog)
-
-{{medium_version}}
-
-### Extended Version (Article/Presentation)
-
-{{extended_version}}
-
-## Usage Guidelines
-
-### Best Channels
-
-{{best_channels}}
-
-### Audience Considerations
-
-{{audience_considerations}}
-
-### Tone AND Voice Notes
-
-{{tone_notes}}
-
-### Adaptation Suggestions
-
-{{adaptation_suggestions}}
-
-## Next Steps
-
-### Refinement Opportunities
-
-{{refinement_opportunities}}
-
-### Additional Versions Needed
-
-{{additional_versions}}
-
-### Testing/Feedback Plan
-
-{{feedback_plan}}
-
----
-
-_Story crafted using the BMAD CIS storytelling framework_