Fix example

[appcypher]

Summary

Fixes the WNFS Graph example.

Test plan (required)

• Build project

  npx webpack

• Run project

  npx http-server -p 8080 dist

• Open browser

  open http://localhost:8080

[codecov-commenter]

Codecov Report

Merging #66 (e598c79) into main (0228c17) will decrease coverage by 0.21%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main      #66      +/-   ##
==========================================
- Coverage   77.28%   77.07%   -0.22%     
==========================================
  Files          26       26              
  Lines        1422     1422              
==========================================
- Hits         1099     1096       -3     
- Misses        323      326       +3     

Impacted Files	Coverage Δ
crates/fs/private/hamt/pointer.rs	68.96% <0.00%> (-3.45%)	⬇️
crates/fs/private/hamt/node.rs	88.12% <0.00%> (-0.63%)	⬇️

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