refactor: move deploy scripts into .claude/skills/deploy/

- Added deploy skill (SKILL.md) with dev/prod instructions
- Moved deploy_prod.sh, deploy_dev.sh, dev_deploy.sh, speed_take.sh
- Updated settings.local.json: new script paths, git merge/push permissions, auto-deploy hook on merge to master
- Removed dev_deploy.sh and speed_take.sh from .gitignore

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitignore

@@ -9,5 +9,3 @@ texpixel
 
 doc_ai
 document_ai
-dev_deploy.sh
-speed_take.sh