feat(nemoclaw): add hindsight-nemoclaw setup CLI package (#630)
* feat(nemoclaw): add hindsight-nemoclaw setup CLI package
Automates the full NemoClaw sandbox setup:
- Installs @vectorize-io/hindsight-openclaw plugin
- Configures external API mode in ~/.openclaw/openclaw.json
- Reads current openshell sandbox policy, merges Hindsight egress rule, re-applies
- Restarts the OpenClaw gateway
Options: --dry-run, --skip-policy, --skip-plugin-install
36 unit tests passing
* docs: add NEMOCLAW.md setup guide
* feat(nemoclaw): add README, docs page, and release pipeline
* revert: remove release.yml changes from nemoclaw PR