999 Formatting references for wiki
Markdown is a way to style text on the web. You control the display of the document; formatting words as bold or italic, adding images, and creating lists are just a few of the things we can do with Markdown. Mostly, Markdown is just regular text with a few non-alphabetic characters thrown in, like # or *.
GitHub Flavored Markdown (GFM) Spec https://github.github.com/gfm/
Basic Writing and Formatting Syntax https://help.github.com/en/github/writing-on-github/basic-writing-and-formatting-syntax
Working with Advanced Formatting https://help.github.com/en/github/writing-on-github/working-with-advanced-formatting
Mastering Markdown https://guides.github.com/features/mastering-markdown/
Mastering Markdown pdf Cheatsheet https://guides.github.com/pdfs/markdown-cheatsheet-online.pdf
Markdown Here Cheatsheet tailored to GitHub https://github.com/adam-p/markdown-here/wiki/Markdown-Here-Cheatsheet
Markdown Guide https://www.markdownguide.org/
John Gruber's Daring Fieball Site https://daringfireball.net/projects/markdown/
Markdown Tutorial https://www.markdowntutorial.com/
Big List of Markdown Resources https://github.com/mundimark/awesome-markdown
They can't be added directly but you can add an image with a link to the video like this:
<a href="http://www.youtube.com/watch?feature=player_embedded&v=YOUTUBE_VIDEO_ID_HERE
" target="_blank"><img src="http://img.youtube.com/vi/YOUTUBE_VIDEO_ID_HERE/0.jpg"
alt="IMAGE ALT TEXT HERE" width="240" height="180" border="10" /></a>
Or, in pure Markdown, but losing the image sizing:
[](http://www.youtube.com/watch?v=mO9XmzxS8fk)
Edited 20200526