docs: comprehensive documentation overhaul

docs: add CHANGELOG for v1.13.1 and update README

feat: add smartTypeText, get_page_html, wait_for_selector, query_selector

feat: vncUrl in toggle_display response (v1.13.0)

feat: toggle_display MCP tool (v1.12.0)

fix: snapshot parsing for non-truncated pages (v1.11.2)

fix: add express-rate-limit dependency to package.json

fix: restore camofox-mcp-http binary entry (v1.11.1)

chore: release v1.11.0 — CHANGELOG, README, version bump

feat: snapshot pagination, refsAvailable, YouTube transcript, health fields

feat: add HTTP transport for OpenClaw integration (v1.10.0)

docs: improve download tool descriptions for AI discoverability (Closes #1)

fix: add singular type aliases to extraction tool schemas

chore: bump version to 1.9.0 + CHANGELOG

test: add unit tests for download/extraction MCP tools