Added funding file with a link to open collective.

[dlemstra]

Prerequisites

• I have written a descriptive pull-request title
• I have verified that there are no overlapping pull-requests open
• I have verified that I am following matches the existing coding patterns and practice as demonstrated in the repository. These follow strict Stylecop rules 👮.
• I have provided test coverage for my change (where applicable)

Description

With this file it is possible to display a "sponsor" button at the top of the project. Info on how to do that can be found here: https://help.github.com/en/articles/displaying-a-sponsor-button-in-your-repository

[codecov]

Codecov Report

Merging #917 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #917   +/-   ##
=======================================
  Coverage   89.26%   89.26%           
=======================================
  Files        1076     1076           
  Lines       47217    47217           
  Branches     3295     3295           
=======================================
  Hits        42147    42147           
  Misses       4367     4367           
  Partials      703      703

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #917 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #917   +/-   ##
=======================================
  Coverage   89.26%   89.26%           
=======================================
  Files        1076     1076           
  Lines       47217    47217           
  Branches     3295     3295           
=======================================
  Hits        42147    42147           
  Misses       4367     4367           
  Partials      703      703

---

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 32d919e...b4deb29. Read the comment docs.

[tocsoft]

nice one, I even remembered to turn it on in the repo settings. 😄