docs(guides): add vitest integration example

[danielpza]

Added vitest integration example

Also linked to the https://github.com/danielpza/vitest-mms package which aims to make it easier to setup up mongodb-memory-server with vitest (DISCLAIMER: I'm the author of the package, I can drop it if that's an issue)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.76%. Comparing base (e4992fd) to head (0be8be7).
Report is 1 commits behind head on master.

Additional details and impacted files

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##           master     #937   +/-   ##
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  Coverage   90.76%   90.76%           
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  Files          15       15           
  Lines        2035     2035           
  Branches      513      498   -15     
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  Hits         1847     1847           
  Misses        188      188           

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[hasezoey]

Thanks for adding a integration example for vitest. Please note that i have not used vitest yet.

(DISCLAIMER: I'm the author of the package, I can drop it if that's an issue)

No problem, just as noted below, please update with a little description.

[danielpza]

.

Updated to address review.

[hasezoey]

Looks good to me new, thanks!