Add moving average example

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (0440cdc) 97.70% compared to head (05fcc89) 97.70%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #67 +/- ## ======================================= Coverage 97.70% 97.70% ======================================= Files 62 62 Lines 2045 2045 ======================================= Hits 1998 1998 Misses 47 47 ```

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[tcbrindle]

An example using scan already? I only merged it yesterday! :D

This is another great little example, thanks once again

[jnytra]

I accidentally created a pull request from my main. Sorry for that. I am closing this one and creating a new one with fixes.