docs(linkedin-studio): README Table of Contents (AAA+ B-axis, ORDRE 32)

13-item flat TOC over all H2 sections, placed after intro/badges before
first content section. Anchors validated mechanically (dead-link check
against actual H2 headings); no version/tag/catalog-ref changes.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JyMgMvo5Jgq8GFYhSQ7JMy

README.md

@@ -26,6 +26,22 @@ This is not a shortcut. Hand the wheel to the AI and you land where everyone who
 
 ---
 
+## Table of Contents
+
+- [Install](#install)
+- [Requirements](#requirements)
+- [Two Engines](#two-engines)
+- [Quick Start](#quick-start)
+- [Commands](#commands)
+- [Agents](#agents)
+- [Non-goals](#non-goals)
+- [Content Quality Rules](#content-quality-rules)
+- [Example Workflows](#example-workflows)
+- [Deeper Documentation](#deeper-documentation)
+- [Testing](#testing)
+- [Changelog](#changelog)
+- [License](#license)
+
 ## Install
 
 Add the marketplace, then install the plugin: