feat(shared-data): introduce linear interpolation helper

[ncdiehl11]

Overview

This PR introduces a linear interpolation helper to shared-data tobe used in liquid class implementation for continuous values in Protocol Designer and Quick Transfer. This will include all byVolume properties.

Test Plan and Hands on Testing

• review logic and test code

Changelog

• create linearInterpolate JS helper and tests

Review requests

see test plan

Risk assessment

low. not wired up anywhere yet

[codecov]

Codecov Report

Attention: Patch coverage is 2.17391% with 45 lines in your changes missing coverage. Please review.

Project coverage is 25.89%. Comparing base (507da17) to head (a06defe).
Report is 15 commits behind head on edge.

Files with missing lines	Patch %	Lines
shared-data/js/helpers/linearInterpolate.ts	2.17%	45 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             edge   #17652      +/-   ##
==========================================
+ Coverage   25.68%   25.89%   +0.21%     
==========================================
  Files        2851     2852       +1     
  Lines      219457   220137     +680     
  Branches    17971    18233     +262     
==========================================
+ Hits        56363    57004     +641     
- Misses     163079   163118      +39     
  Partials       15       15              

Flag	Coverage Δ
protocol-designer	19.09% <2.17%> (+0.15%)	⬆️
step-generation	4.59% <2.17%> (+0.21%)	⬆️

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

Files with missing lines	Coverage Δ
shared-data/js/helpers/index.ts	61.06% <ø> (+5.74%)	⬆️
shared-data/js/helpers/linearInterpolate.ts	2.17% <2.17%> (ø)

... and 33 files with indirect coverage changes

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[koji]

lgtm