docs(typescript): refactor typescript template

[danielsogl]

Summary

Refactors the example typescript template to match the new import paths of React.

Test plan

The usage of the generated icons is the same as before. Only the build size should be smaller.

[vercel]

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[codecov]

Codecov Report

Merging #319 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #319   +/-   ##
=======================================
  Coverage   86.66%   86.66%           
=======================================
  Files          30       30           
  Lines         480      480           
  Branches      134      134           
=======================================
  Hits          416      416           
  Misses         53       53           
  Partials       11       11

---

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[codecov]

Codecov Report

Merging #319 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #319   +/-   ##
=======================================
  Coverage   86.66%   86.66%           
=======================================
  Files          30       30           
  Lines         480      480           
  Branches      134      134           
=======================================
  Hits          416      416           
  Misses         53       53           
  Partials       11       11

---

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 065e7a9...bab404b. Read the comment docs.

[gregberge]

Thanks!