Fix Unicode Encode/Decode Process

[hhsnopek]

NOTE: the package.json edits were made by yarn/npm installation

Summary

This pull request normalizes encodings between node and the browser. By doing so we eliminate any malformed data and introduce a stable utf8 encoding/decoding library which improves stability between both environments.

Updates

• Add utf8.js
• Add Buffer
• Simplify and normalize encoding/decoding process

[codecov-io]

Codecov Report

Merging #9 into master will increase coverage by 7.14%. The diff coverage is n/a.

@@           Coverage Diff            @@
##           master     #9      +/-   ##
========================================
+ Coverage   92.85%   100%   +7.14%     
========================================
  Files           3      1       -2     
  Lines          42     14      -28     
========================================
- Hits           39     14      -25     
+ Misses          3      0       -3

Impacted Files	Coverage Δ
src/reshape-ast-to-vdom.js

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[hhsnopek]

The current tests are rather bare and should have included a larger set of Unicode characters from Unicode 6.0.0 standard. The provided solution here does work and is used in a production setting. I'm unable to allocate time to this currently, however, if I wind-up with free time in the future I can revisit this and add more tests.