Activating Open Collective

[monkeywithacupcake]

Hi, I'm making updates for Open Collective. Either you or another core contributor signed this repository up for Open Collective. This pull request adds financial contributors from your Open Collective https://opencollective.com/portable-utf8 ❤️

What it does:

• adds a badge to show the latest number of financial contributors
• adds a banner displaying contributors to the project on GitHub
• adds a banner displaying all individuals contributing financially on Open Collective
• adds a section displaying all organizations contributing financially on Open Collective, with their logo and a link to their website

P.S: As with any pull request, feel free to comment or suggest changes.

Thank you for your great contribution to the Open Source community. You are awesome! 🙌 And welcome to the Open Collective community! 😊

Come chat with us in the #opensource channel on https://slack.opencollective.com - great place to ask questions and share best practices with other Open Source sustainers!

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This change is 

[coveralls]

Coverage remained the same at 78.868% when pulling 7acf548785b021e6575a191c7819563c8a1816d8 on opencollective:opencollective into f0bb213b5d8564c2384647e3ca98bc4a55f14c12 on voku:master.

[codecov[bot]]

Codecov Report

Merging #92 into master will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #92   +/-   ##
=========================================
  Coverage     79.69%   79.69%           
  Complexity     1716     1716           
=========================================
  Files             2        2           
  Lines          3900     3900           
=========================================
  Hits           3108     3108           
  Misses          792      792           

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