Always use master theme from upstream, Fix for menu appearing twice

• Dont fix local links

• Remove go-sh dependency, use less overwritable menu name

• Use const

• Use master theme

• Disable currently useless features

• Add hint about auto generated

• Wording

• Add test docs

• Add more test docs

• File if file does not exist

• Add fix for trailing slashes

• Local test configs

• Make it work for once

• Use old option, give more insight

• More comments

• Add test for clone

• Always make

• Use internet repo

• Don't output stderr while testing

• Add test data

• Fix markdown syntax

• Make test images smaller

• Change header name

• Add toc

• Add mermaid to test pages