Add animation tutorials to the main tutorials branch

[luisaFelixSalles]

Add new animation tutorials to the tutorials section

List of tutorials:

• Animate data over time

Preview on how it renders

Animation section main page

Animate data over time

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.03%. Comparing base (d5ad6a1) to head (d99c2ed).
Report is 1 commits behind head on doc/new-tutorials-section.

Additional details and impacted files

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- Coverage                      88.10%   88.03%   -0.08%     
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[PProfizi]

Hi @JennaPaikowsky! Requesting your review on this PR for a tutorial on animations. We are implementing guidelines on how to write such tutorials, so your opinion would be greatly appreciated! Thanks!

[JennaPaikowsky]

A few recommended changes

[JennaPaikowsky]

For "labeled in time", I am not sure what you mean here. The fields container must be labeled as "time"? If yes then:

To animate data across time, you must store the data in a |FieldsContainer| named time.

[PProfizi]

hi @JennaPaikowsky,
A FieldsContainer uses labels to identify the fields it stores. For example, if a FieldsContainer stores three fields and has two labels time and test, then each field is identified by a unique combination of values for these two labels. Here, the first field could be for {"time": 0; "test":0}, the second field could be for {"time":1; "test":0}, and the third field could be for {"time":1, "test":1}.
In this case, we would tend to say the FieldsContainer is labeled in time to say it has a time label.

Which is why in this tutorial on animations in time, we say the FieldsContainer must have a "time" label.
Is that a better formulation? must have a "time" label

[JennaPaikowsky]

Hi @PProfizi, yes "must have a time label" is much clearer.