SECTION IN PROGRESS
Use PlatyPS to generate Markdown. See, https://github.com/PowerShell/platyPS.
Install PlatyPS.
Get to where you can run Get-Help and see cmdlets.
Generate help with PlatyPS.
If you want to merge multiple versions into a single version then use the PlatyPS merge command.
Make sure to update the TOC file. Exact format required so that the template text doesn't show up.
Add metadata to the file so it shows in the correct reports. See these scripts to do it or you can do it manually too.