Consider Including Agent Skills

[XjSv]

Consider Including Agent Skills in the repo.

For example: https://github.com/WordPress/agent-skills/blob/trunk/skills/wp-plugin-development/SKILL.md

Maybe we should include a subset of the necessary skills only?

[mgiannopoulos24]

Suggested skills:

• wordpress-router
• wp-abilities-api
• wp-abilities-audit
• wp-abilities-verify
• wp-performance
• wp-phpstan
• wp-plugin-development
• wp-project-triage
• wp-rest-api

We can narrow it down even further.