Create CODEOWNERS from git history

[danielduan]

Issue: #1425

It's been hard to find people who are knowledgeable about a specific portion of the codebase. This should at least point someone in the right direction.

Feel free to remove your name if you don't want to be the point person for a specific portion of the codebase.

What I did

created CODEOWNERS from git history

[codecov]

Codecov Report

Merging #3296 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3296   +/-   ##
=======================================
  Coverage   36.21%   36.21%           
=======================================
  Files         444      444           
  Lines        9736     9736           
  Branches      913      902   -11     
=======================================
  Hits         3526     3526           
- Misses       5603     5638   +35     
+ Partials      607      572   -35

Impacted Files	Coverage Δ
app/react/src/server/utils.js	0% <0%> (-100%)	⬇️
addons/info/src/components/types/PrettyPropType.js	85.71% <0%> (ø)	⬆️
lib/core/src/client/manager/provider.js	0% <0%> (ø)	⬆️
app/react-native/src/bin/storybook.js	0% <0%> (ø)	⬆️
addons/a11y/src/components/Tabs.js	0% <0%> (ø)	⬆️
addons/storysource/src/loader/generate-helpers.js	44.44% <0%> (ø)	⬆️
...ddons/actions/src/components/ActionLogger/style.js	0% <0%> (ø)	⬆️
lib/core/src/server/build-dev.js	0% <0%> (ø)	⬆️
addons/knobs/src/components/types/Button.js	11.9% <0%> (ø)	⬆️
addons/storysource/src/loader/inject-decorator.js	28% <0%> (ø)	⬆️
... and 59 more

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