Add an example node-cache implementation in docs

[sinarck]

I recently wrote some code in my own project that utilizes node-cache, and thought it might be helpful for anyone else who stumbled across the docs. I'm not sure if my implementation is actually useful or correct, so any feedback would be helpful.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.26%. Comparing base (a30f8d2) to head (ac727bf).

Additional details and impacted files

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  Coverage   99.26%   99.26%           
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  Files          19       19           
  Lines        2442     2442           
  Branches      212      211    -1     
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  Hits         2424     2424           
  Misses         17       17           
  Partials        1        1           

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[arthurfiorette]

there's syntax errors in your example

[sinarck]

Should be good now.

[arthurfiorette]

thanks!