chore(docs): update TOC

Author: steveseguin

README.md

@@ -26,9 +26,11 @@ It also has the ability to record remote VDO.Ninja streams to disk (no transcode
 - [Documentation](#documentation)
 - [How to Run:](#how-to-run)
   - [Auto-starting the script on boot](#auto-starting-the-script-on-boot)
-  - [Room Recording](#room-recording)
+  - [Room Recording (Pull Mode)](#room-recording-pull-mode)
     - [Basic Room Recording](#basic-room-recording)
+    - [Single Stream Recording](#single-stream-recording)
     - [Selective Room Recording](#selective-room-recording)
+    - [Publishing vs Recording](#publishing-vs-recording)
     - [Room NDI Output](#room-ndi-output)
   - [HLS Recording](#hls-recording)
     - [Enable HLS Recording](#enable-hls-recording)
@@ -43,6 +45,8 @@ It also has the ability to record remote VDO.Ninja streams to disk (no transcode
   - [NDI support](#ndi-support)
     - [Single Stream to NDI](#single-stream-to-ndi)
     - [Room to NDI (VDO.Ninja to NDI)](#room-to-ndi-vdoninja-to-ndi)
+    - [NDI Direct Mode (Default)](#ndi-direct-mode-default)
+    - [NDI Combiner Mode (Optional)](#ndi-combiner-mode-optional)
     - [NDI Installation](#ndi-installation)
   - [OpenCV / Tensorflow / FFMPEG / FDSink / Framebuffer support](#opencv--tensorflow--ffmpeg--fdsink--framebuffer-support)
 - [Hardware options](#hardware-options)