feature/add-create-pr-script
main
- Replace single create-pr script with unified pr script - Add subcommands: create, list, commits, merge - Update git-ctrl and SKILL.md documentation
secret-mgr get-secret outputs 'Access token was successfully created: <token>' so we need to extract just the token using awk '{print $NF}'
- Add create-pr script for creating pull requests via API - Auto-generate access token if not present - Integrate into git-ctrl dispatcher - Update SKILL.md with new command documentation