Deactivate ads for Mkdocs

[tomschenkjr]

MkDocs has noted that they will be expanding advertisements on their documentation pages. Soon, they will be display ads on our documentation for OpenGrid.

However, you can opt out. @reve0716 - please read this and deactivate ads for OpenGrid.

@joollerer1 - please add this to the weekly agenda for tracking.

[reve0716]

I opt out of seeing user paid advertisements and on the project level there are three options offered:

• Supporting us financially with Read the Docs Gold. This will disable all ads from showing on your project’s documentation.
• Supporting us with your time by contributing to the project.
• Moving to our paid product over at readthedocs.com.

I Opt out without doing any of the above by deselecting the option to Allow Paid Advertising.