docs: Update sample to use non-default export

[schmidt-sebastian]

This keeps some of the improvements of #629 without breaking the default export.

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[codecov]

Codecov Report

Merging #634 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #634   +/-   ##
=======================================
  Coverage   61.49%   61.49%           
=======================================
  Files          21       21           
  Lines        3420     3420           
  Branches      459      459           
=======================================
  Hits         2103     2103           
  Misses       1254     1254           
  Partials       63       63

Impacted Files	Coverage Δ
dev/src/watch.ts	96.52% <ø> (ø)	⬆️

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[codecov]

Codecov Report

Merging #634 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #634   +/-   ##
=======================================
  Coverage   61.49%   61.49%           
=======================================
  Files          21       21           
  Lines        3420     3420           
  Branches      459      459           
=======================================
  Hits         2103     2103           
  Misses       1254     1254           
  Partials       63       63

Impacted Files	Coverage Δ
dev/src/watch.ts	96.52% <ø> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 05cc67f...4b34a81. Read the comment docs.