Enable autocompletion on file names

[theogf]

Fixes #27

[codecov]

Codecov Report

❌ Patch coverage is 8.33333% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.71%. Comparing base (38c4cf3) to head (7c5b848).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/repl.jl	8.33%	11 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #69      +/-   ##
==========================================
- Coverage   50.00%   48.71%   -1.29%     
==========================================
  Files           9        9              
  Lines         376      388      +12     
==========================================
+ Hits          188      189       +1     
- Misses        188      199      +11     

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