Split inflections with multiple possible forms over several lines

[eddieantonio]

e.g., instead of this

Person	Form
we	ninipânân
you and we	kinipânaw / kinipânânaw

Let's have this:

Person	Form
we	ninipânân
you and we	kinipânaw
	kinipânânaw

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I know this was there before, but this is unsatisfying... I might need to make a new issue for this. Basically, an entirely new row should be made for any alternatives.

Originally posted by @eddieantonio in #506

[eddieantonio]

Here's me mocking up what it would look like by messing around with the devtools inspector:

[aarppe]

Note also: For "abstract" forms with multiple realizations, it might be that only one of those have been observed in corpora. Therefore, we should refine our paradigm presentation scheme so that only the actually attested and observed word-form is marked as such (bold-face or otherwise), not both/all. This is probably supported in practice by splitting those multiple forms each into their own cell.