Add CF Workers + Hono + Angular SaaS instructions

[ProfessorManhattan]

Summary\n\nAdds Copilot instructions for building full-stack SaaS on Cloudflare Workers with:\n\n- Hono v4.12+ — inline handlers, RPC type inference, method chaining\n- Angular 21 — zoneless, signals, standalone, PrimeNG\n- D1 + Drizzle v1 — batch API, type-safe schemas\n- Inngest v4 — durable background jobs, step.ai.infer()\n- Clerk Core 3 — JWT auth, RBAC\n- Testing — TDD with Playwright + Vitest\n- Security — OWASP Top 10:2025, CSP, Turnstile\n\nApplies to **/*.ts files. Covers TypeScript strict patterns, Hono API conventions, Angular 21 signals, Drizzle v1 schemas, CF Workers limits, and quality thresholds.\n\n## Source\n\nmegabytespace/claude-skills"

[github-actions]

⚠️ This PR targets main, but PRs should target staged.

The main branch is auto-published from staged and should not receive direct PRs.
Please close this PR and re-open it against the staged branch.

You can change the base branch using the Edit button at the top of this PR,
or run: gh pr edit 1488 --base staged

[aaronpowell]

It looks like you've incorrectly branched from the main branch not staged, and as a result all the materialised plugins are included in this PR.

You can attempt to fix this with a rebase:

git fetch origin staged
git rebase --onto origin/staged origin/main <branch name>
git push --force-with-lease

If that does not resolve it, you can run npm run plugin:clean which will delete the materialised plugins and you can commit that change.