chore(docs): update badge link in README

[davidkhala]

Fix broken badge link and svg

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• Appropriate docs were updated (if necessary)

Fixes #174 🦕

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[codecov]

Codecov Report

Merging #173 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #173   +/-   ##
=======================================
  Coverage   83.80%   83.80%           
=======================================
  Files           3        3           
  Lines         630      630           
  Branches       52       52           
=======================================
  Hits          528      528           
  Misses        102      102           

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[davidkhala]

OOP, it seems I have to follow all the steps even for a simple doc change.

[davidkhala]

@googlebot I signed it!

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CLAs look good, thanks!

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[stephenplusplus]

Thanks for going through all of that for such a simple change! After CI gives us the all-green, we can merge this in. Thanks again for catching that and sending the fix.

[davidkhala]

Personal curiosity, why the automated build will last for several days? Does it mean this is still waiting in a long build queue?

[stephenplusplus]

Personal curiosity, why the automated build will last for several days? Does it mean this is still waiting in a long build queue?

Sometimes, we are in a big queue, but in this case, it could be that our internal test runner (Kokoro) fell asleep and needs a quick kick. I'm afraid I can't be more specific-- I really don't know why it flops on us sometime :( Kicking complete, though, so let's see if that helps!