[master < E-meta] Add MAGE meta module docs

[imilinovic]

Description

Add MAGE meta module docs

Pull request type

Please delete options that are not relevant and check the ones that are.

• [X] New documentation page

Related PRs and issues

PR this doc page is related to: PR296 Closes (link to issue):

Checklist:

• [x] I checked all content with Grammarly
• [x] I performed a self-review of my code
• [x] I made corresponding changes to the rest of the documentation
• [x] The build passes locally
• [x] My changes generate no new warnings or errors

[vpavicic]

This was already in the util category