Add Anonymous Columns to the docs

[CyberPunkCodes]

First draft for the anonymous columns page

All Submissions:

• [x] Have you followed the guidelines in our Contributing document?
• [x] Have you checked to ensure there aren't other open Pull Requests for the same update/change?

[lrljoe]

Base changed, will merge in shortly, just going to do some quick tests in another environment.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (bc4bfa3) 88.98% compared to head (6f180d1) 88.98%. Report is 1 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #1556 +/- ## ========================================== Coverage 88.98% 88.98% Complexity 1264 1264 ========================================== Files 96 96 Lines 2997 2997 ========================================== Hits 2667 2667 Misses 330 330 ```

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