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-agent-builder/assets/INDEX-template.md

@@ -1,15 +0,0 @@
-# Index
-
-## Standard Files
-- `PERSONA.md` — who I am (name, vibe, style, evolution log)
-- `CREED.md` — what I believe (values, philosophy, boundaries, dominion)
-- `BOND.md` — who I serve ({bond-summary})
-- `MEMORY.md` — what I know (curated long-term knowledge)
-- `CAPABILITIES.md` — what I can do (built-in + learned abilities + tools)
-{if-pulse}- `PULSE.md` — what I do autonomously ({pulse-summary}){/if-pulse}
-
-## Session Logs
-- `sessions/` — raw session notes by date (YYYY-MM-DD.md), curated into MEMORY.md during Pulse
-
-## My Files
-_This section grows as I create organic files. Update it when adding new files._