chore: release v0.16.0

Merge pull request #47 from j5ik2o/chore/remove-skill-install-from-installer

fix(ci): add git pull --rebase before push in release workflow

chore: update tokei badge [skip ci]

Merge pull request #46 from j5ik2o/chore/remove-skill-install-from-installer

Remove skill installation from installer

feat(agents): add initial Codex agent directories

chore: update tokei badge [skip ci]

feat(config): enhance Codex configuration with advanced settings

feat(config): unify and update Codex configuration files

feat(config): add `mise.toml` for tool version management

chore(docs): remove experimental OPSX command documentation and skills

docs(AGENTS): add a newline at the end of the file

Merge pull request #45 from j5ik2o/chore/externalize-loop-monitor-judge-instructions

Externalize loop monitor judge instructions