Scan HTTP headers

[FollowTheProcess]

• Scan simple headers
• WIP: interpolated headers
• Fix silly bug with headers

Summary

[codecov]

Codecov Report

❌ Patch coverage is 86.88525% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.31%. Comparing base (2db2e46) to head (4a072e9).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/syntax/scanner/scanner.go	86.88%	6 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #18      +/-   ##
==========================================
+ Coverage   78.31%   79.31%   +1.00%     
==========================================
  Files           6        6              
  Lines         438      498      +60     
==========================================
+ Hits          343      395      +52     
- Misses         92       98       +6     
- Partials        3        5       +2     

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