Add funding link

[TomWFox]

I got an email from open collective saying that npm added a new funding property to v6.13; allowing people to use npm fund to find out funding info about all of the packages they have installed.

Seems like a no brainier.

[dplewis]

Do you have a link for this? I want to try it out.

[TomWFox]

https://mailchi.mp/3d3137d32cd4/npms-new-funding-property-is-live

[codecov]

Codecov Report

Merging #6192 into master will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #6192      +/-   ##
==========================================
- Coverage    93.8%   93.77%   -0.03%     
==========================================
  Files         167      167              
  Lines       11298    11298              
==========================================
- Hits        10598    10595       -3     
- Misses        700      703       +3

Impacted Files	Coverage Δ
src/Adapters/Storage/Mongo/MongoStorageAdapter.js	92.27% <0%> (-0.71%)	⬇️
src/RestWrite.js	93.75% <0%> (ø)	⬆️

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