Implement progress indicator

[Baryonics]

Adding p-ranav/indicators library to this project, to indicate the reader status. (and any other range object)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[Baryonics]

The indicator feature is functional! I'll need to do some error handling, not quite sure how to do that to be honest... Probably some static assert, since it's almost all template stuff. plus I'm unsure of how to do the testing part. I added the indicator in the reader integration test and it's all covered, but I think it might be necessary to implement unit tests as well.
Whats your opinion @YanzhaoW ?

[YanzhaoW]

Thanks for the PR. I will check the code in detail later.

The indicator feature is functional! I'll need to do some error handling, not quite sure how to do that to be honest... Probably some static assert, since it's almost all template stuff.

Yeah, static checking should always be preferred.

plus I'm unsure of how to do the testing part. I added the indicator in the reader integration test and it's all covered, but I think it might be necessary to implement unit tests as well.

I would say an integration test should suffice.