Add Table of Contents to README

Added a Table of Contents section to improve navigation.

README.md

@@ -1,6 +1,10 @@
 # queue
 A simple queue mod for Minecraft Java Edition. Lightweight, works on essentially any server types, (Spigot/Bukkit/Fabric/Paper), Tiered Priority Queue, and simple at its core.
 
+**Table of Contents**
+- Commands
+- [Install - Requirements and Configuration](https://github.com/ProjectPersistence/queue?tab=readme-ov-file#how-it-works--what-you-need)
+
 ## How it works & What you need.
 **Requirements**:
 - A Velocity Proxy Server