switch lib to libraries for lxly contracts

[prettyirrelevant]

No description provided.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (main@cfa4a70). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main       #6   +/-   ##
=======================================
  Coverage        ?   55.64%           
=======================================
  Files           ?       34           
  Lines           ?      656           
  Branches        ?       64           
=======================================
  Hits            ?      365           
  Misses          ?      287           
  Partials        ?        4           

Flag	Coverage Δ
backend	55.64% <0.00%> (?)

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