fix(cli): Show --help if no arguments are provided

[nellh]

Show --help if no arguments are provided.

[codecov]

Bundle Report

Bundle size has no change ✅

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 46.48%. Comparing base (b0667a6) to head (84a13b4).

Files with missing lines	Patch %	Lines
cli/src/options.ts	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3974      +/-   ##
==========================================
- Coverage   46.48%   46.48%   -0.01%     
==========================================
  Files         685      685              
  Lines       38036    38040       +4     
  Branches     1774     1774              
==========================================
  Hits        17681    17681              
- Misses      20228    20232       +4     
  Partials      127      127              

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