Add Hermes Tweet skill

[kriptoburak]

Summary

• Add the Hermes Tweet skill for Hermes Agent X/Twitter workflows.
• Update the native catalog, example, or README surface so the skill is discoverable.
• Keep action-capable routes gated by Hermes Tweet configuration.

Fit

• This B2B SDR skill already handles lead discovery and outreach; Hermes Tweet adds native X/Twitter social-signal research and monitoring for buyer discovery.

Validation

• git diff --check
• jq empty skills.sh.json
• Checked open and closed PRs for Hermes Tweet, Xquik, Twitter, and social overlap: none found.

License note: The repository is MIT licensed and the copied skill declares license: MIT.