docs: update example documentation

[brianheineman]

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[github-actions]

Bencher Report

Branch	update-example-documentation
Testbed	localhost

⚠️ WARNING: No Threshold found!

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• Latency (nanoseconds (ns))

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Benchmark	Latency	nanoseconds (ns)
from_bytes	📈 view plot ⚠️ NO THRESHOLD	5,165,600.00
from_extension	📈 view plot ⚠️ NO THRESHOLD	48.92
from_id	📈 view plot ⚠️ NO THRESHOLD	37.41
from_media_type	📈 view plot ⚠️ NO THRESHOLD	48.80
try_from_file	📈 view plot ⚠️ NO THRESHOLD	5,240,800.00

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.10%. Comparing base (bb1f5ff) to head (cfa3afb).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #26   +/-   ##
=======================================
  Coverage   95.10%   95.10%           
=======================================
  Files          19       19           
  Lines        2900     2900           
=======================================
  Hits         2758     2758           
  Misses        142      142           

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