Wrap remaining meta endpoints (1 missing of 5)

[ldraney]

Parent Issue

#86 — Expand Octokit coverage

Category: meta

File: src/tools/categories/meta.ts
Current: 4/5

Already Wrapped

get, getOctocat, getZen, getAllVersions

Methods to Add (1)

Method	Route
root	GET /

Pattern

See src/tools/categories/git.ts. Tool name: github_meta_root.

Acceptance Criteria

• Method wrapped
• npm run build passes
• TOOLS.md updated