Added os listdir and scandir functions with their corresponding tests

[santigandolfo]

No description provided.

[Tinche]

LGTM. Add it to the changelog please.

[santigandolfo]

Great! Which version should I use? (I see that there is a v0.9.0 but it's TBD)

[Tinche]

Yeah, put it under 0.9.0.

[codecov-commenter]

Codecov Report

Base: 89.80% // Head: 89.86% // Increases project coverage by +0.06% 🎉

Coverage data is based on head (1db5e4e) compared to base (d794675).
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head 1db5e4e differs from pull request most recent head 557de73. Consider uploading reports for the commit 557de73 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #143      +/-   ##
==========================================
+ Coverage   89.80%   89.86%   +0.06%     
==========================================
  Files          10       10              
  Lines         304      306       +2     
==========================================
+ Hits          273      275       +2     
  Misses         31       31              

Impacted Files	Coverage Δ
src/aiofiles/os.py	100.00% <100.00%> (ø)

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[Tinche]

Thanks!

[skshetry]

Hi, what do you think of the async version of scandir that returns DirEntry which have async methods?
Similar to aiopath.scandir.scandir_async.

The usecase that I have is to make ls(detail=True) completely async.

EDIT: Although we may not want to use async or run in thread if the DirEntry is cached. Also see python-trio/trio#924. So most likely this is not going to be trivial. Sorry for the noise. :)