Migrate to React Hooks

[fjmorant]

Description

• This PR changes the state management solution applied to this library to React Hooks a much newer way of managing the state in the NodeView component that offers better performance and easier maintenance of the code.

[codecov]

Codecov Report

Merging #112 into master will increase coverage by 4.83%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##           master     #112      +/-   ##
==========================================
+ Coverage    80.3%   85.13%   +4.83%     
==========================================
  Files           3        3              
  Lines          66       74       +8     
  Branches       17       17              
==========================================
+ Hits           53       63      +10     
+ Misses         12        8       -4     
- Partials        1        3       +2

Impacted Files	Coverage Δ
src/NestedRow.tsx	72.72% <62.5%> (-27.28%)	⬇️
src/NestedListView.tsx	87.5% <86.11%> (+8.01%)	⬆️
src/NodeView.tsx	86.95% <86.36%> (+10.76%)	⬆️

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