Add optional removeClippedSubviews

[hyochan]

Description

removeClippedSubviews was always set to false. Make this changeable.

Related Issues

Resolve #27

Tests

N/A

Checklist

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• I read the Contributor Guide and followed the process outlined there for submitting PRs.
• Run yarn lint && yarn tsc
• Run yarn test or yarn test -u if you need to update snapshot.
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[codecov]

Codecov Report

Merging #30 (129b62b) into master (058642f) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master       #30   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines           33        34    +1     
  Branches        12        13    +1     
=========================================
+ Hits            33        34    +1     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
index.tsx	100.00% <100.00%> (ø)

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