Html rendering of a GitHub MD file

This sample shows how to retrieve a MD file from GitHub, render it locally to HTML using Markdig library and show it as a web page. Images are retrieved on-the-fly from GitHub, through the web-application that works as proxy. <img> src is updateed using HtmlAgilityPack.
The project is an Asp.Net (.NET Framework) web application. The logic can be easily adapted to Asp.Net Core (...todo).

[browser]  ---->  [web-app] ----> [github]
                      |
                      |
                   [cache]

• simple.aspx : gets the content from GitHub and renders it to html. MD and images are retrieved from GitHub on every request.
• full.aspx : full solution with local caching of html and images and use of PrismJS for syntax highlighting of code blocks.

Links:

• Markdig https://github.com/lunet-io/markdig
• Prism https://prismjs.com/
• HtmlAgilityPack https://html-agility-pack.net/

Output example sample1.md: