Fix references to "lo" instead of "ro"

[pgr0ss]

I noticed the docs site referenced samber/ro instead of samber/lo in a few places, so I updated the links. However, I wasn't sure about the llms.txt change. Is there a different project we should be linked to?

[samber]

Oooops, thanks for the report !

I reverted your change on llms.txt, since the project will be published tomorrow. ;)

I created both documentation websites simultaneously (lo+ro).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.50%. Comparing base (bc73869) to head (d14ff6f).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #713   +/-   ##
=======================================
  Coverage   94.50%   94.50%           
=======================================
  Files          18       18           
  Lines        3437     3437           
=======================================
  Hits         3248     3248           
  Misses        175      175           
  Partials       14       14           

Flag	Coverage Δ
unittests	94.50% <ø> (ø)

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