function for determining path to pollen.rkt #251

According to @otherjoel:

It would be nice to have a Pollen-provided way of determining the path to the pollen.rkt file that applies to a particular Pollen source file. I could write my own (i.e., basically copy get-path-to-override from pollen/setup) but it seems more future-proof and less redundant to ask Pollen.

[According to](https://github.com/mbutterick/pollen-users/issues/86#issuecomment-792350555) @otherjoel: > It would be nice to have a Pollen-provided way of determining the path to the pollen.rkt file that applies to a particular Pollen source file. I could write my own (i.e., basically copy get-path-to-override from pollen/setup) but it seems more future-proof and less redundant to ask Pollen.

This function is now exported from pollen/setup as find-nearest-default-directory-require. For now I’m not going to add it to the public documentation, but maybe later, if it works the way you hope.

This function is now exported from `pollen/setup` as `find-nearest-default-directory-require`. For now I’m not going to add it to the public documentation, but maybe later, if it works the way you hope.

So far, this is working great!

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function for determining path to pollen.rkt #251