Youtube assignment metadata for metabase reports

[dwhly]

In metabase, we show the relative proportion of assignments across different types.... like so:

Now that we have Youtube as an assignment type, we need to add that.

[marcospri]

Youtube assignment types are now in metabase.

In the reports metabase will put it under "other" when the number is low but hovering over that will give you the actual number: