Update README with video documentation link

Added link to video documentation for the project.

Author: jmjava

README.md

@@ -2,6 +2,9 @@
 
 Reusable Python library and CLI for producing narrated demo videos from Markdown, Manim animations, and VHS terminal recordings.
 
+# Video documentation for this project was generated with the libary
+https://jmjava.github.io/documentation-generator/
+
 ## Features
 
 - **TTS narration** — generate MP3 audio from Markdown scripts via OpenAI gpt-4o-mini-tts