feat: implement PaperRepositoryList()

[kkweon]

Follows #5

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (main@0c53b19). Click here to learn what that means.
The diff coverage is n/a.

❗ Current head 73217d0 differs from pull request most recent head 7e932eb. Consider uploading reports for the commit 7e932eb to get more accurate results

@@           Coverage Diff           @@
##             main       #6   +/-   ##
=======================================
  Coverage        ?   49.33%           
=======================================
  Files           ?        5           
  Lines           ?       75           
  Branches        ?        0           
=======================================
  Hits            ?       37           
  Misses          ?       32           
  Partials        ?        6           

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