Use react events for header resizing

[amanmahajan7]

• Add state to handle onPointerMove event
• Add ResizeHandle component

[codecov]

Codecov Report

Attention: Patch coverage is 96.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 98.75%. Comparing base (3887ea8) to head (c1dc28d).

Files with missing lines	Patch %	Lines
src/HeaderCell.tsx	95.34%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3753   +/-   ##
=======================================
  Coverage   98.75%   98.75%           
=======================================
  Files          47       47           
  Lines        3442     3449    +7     
  Branches      746      750    +4     
=======================================
+ Hits         3399     3406    +7     
  Misses         43       43           

Files with missing lines	Coverage Δ
src/hooks/useCalculatedColumns.ts	100.00% <100.00%> (ø)
src/HeaderCell.tsx	97.28% <95.34%> (+0.10%)	⬆️

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