Update api-doc

Adding some titles to get the anchors to work and show up in the Navigation

src/app/v5/api/contacts/page.mdx

@@ -74,15 +74,15 @@
      * [**/queues/:queueId/toggle** `POST`](#post-queuesqueueidtoggle)
      * [**/queues/:queueId/clear** `GET`](#get-queuesqueueidclear)
      * [**/queues/:queueId/clear** `POST`](#post-queuesqueueidclear)
-- [WebSocket Endpoint](#ws-endpoint)
+- [WebSocket Endpoint](#websocket-endpoint)
 
-# Overview
+## Overview
 Firebot hosts a local API that developers can use to get data from Firebot or tell it to run effects.
 * The API is hosted on port **7472**. All endpoints have the root **http://localhost:7472/api/v1**
 * All responses are in JSON.
 * Don't forget that Firebot must be running for the API to be available.
 
-# Endpoints 
+## Rest Endpoints 
 
 ## Authentication
 
@@ -1622,7 +1622,7 @@ POST /queues/queue1/clear
 "status": "removed"
 }
 ```
-# WS Endpoint
+## WebSocket Endpoint
 Firebot hosts a local Websocket API that developers can use to get data from Firebot.
 * The API is hosted on port **7472**. All endpoints have the root **ws://localhost:7472/api/v1**
 * All responses are in JSON.