fix: missing bracket, little linty things

[rusackas]

💔 Breaking Changes

🏆 Enhancements

📜 Documentation

🐛 Bug Fix
Somehow a missing bracket slipped through the cracks. This fixes that and cleans up some other linty business. I'll try to open a PR soon to catch more of these kind of things reliably.

🏠 Internal

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[codecov]

Codecov Report

Merging #517 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #517   +/-   ##
=======================================
  Coverage   22.62%   22.62%           
=======================================
  Files         281      281           
  Lines        6696     6696           
  Branches      648      648           
=======================================
  Hits         1515     1515           
  Misses       5142     5142           
  Partials       39       39           

Impacted Files	Coverage Δ
...reset-chart-big-number/src/BigNumber/BigNumber.tsx	0.00% <ø> (ø)

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