update docs to use scripts

HOWTO-Test-Doc-Changes.md

@@ -32,10 +32,9 @@ You need to set up an access token in your repository secrets for Actions.
 
 The easiest way to test Wiki3 is locally. You could also set up a webserver and your repository secrets to let the workflow upload it for you, but here I'll just explain how to test locally.
 
-The full instructions for installing MkDocs can be found [here](https://www.mkdocs.org/user-guide/installation/), but the short version is to run `pip install mkdocs`.  
-You will also need some plugin, which you can install with `pip install mkdocs-ezlinks-plugin mkdocs-exclude`.
+The full instructions for installing MkDocs can be found [here](https://www.mkdocs.org/user-guide/installation/), but there is also a script included in the repo that will install it for you.  
+Run `bash ./bin/mkdocs-install.sh` if you have a Debian/apt-based system. If not, read the script to find which python packages you need to install.
 
 Once MkDocs is installed, you can now generate the site.  
-I do this with a one-liner, run from the root directory of the repo:  
-`cd mkdocs; ln -s .. docs; cp style.css ..; mkdocs build; cd ..; rm style.css`  
-MkDocs expects the Markdown documentation files to be in a "docs" subdirectory, so we create it and move everything to it, and then we can go ahead and build the site.
+There is a script included to do this as well.  
+Run `bash ./bin/mkdocs-run.sh`, and the site files will then be found at ./mkdocs/site