Add props to show calling code on country picker list

[addingama]

• Add additional props named showCallingCode
• Add missing calling code for Antarctica

[xcarpentier]

👍

Could you please try to fix lint issues?

/home/ubuntu/react-native-country-picker-modal/src/CountryPicker.js
  329:1  error  Line 329 exceeds the maximum line length of 100  max-len

And regenerate jest snapshot: yarn test -u

[addingama]

I don't know why I got this error when running the snapshot test

Cannot find module 'setupDevtools' from 'setup.js'

      at Resolver.resolveModule (node_modules/jest-resolve/build/index.js:179:17)
      at Object.<anonymous> (node_modules/react-native/jest/setup.js:30:1)

[codecov]

Codecov Report

Merging #115 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #115   +/-   ##
=======================================
  Coverage   55.33%   55.33%           
=======================================
  Files           5        5           
  Lines         103      103           
  Branches       17       17           
=======================================
  Hits           57       57           
  Misses         37       37           
  Partials        9        9

Impacted Files	Coverage Δ
src/CountryPicker.js	50% <ø> (ø)	⬆️

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