feat(List): add props interface

[kuzhelov]

This PR introduces props interface for the List and ListItem components, as part of #117

[codecov]

Codecov Report

Merging #153 into master will decrease coverage by 0.04%.
The diff coverage is 18.18%.

@@            Coverage Diff             @@
##           master     #153      +/-   ##
==========================================
- Coverage   67.86%   67.81%   -0.05%     
==========================================
  Files         101      101              
  Lines        1366     1367       +1     
  Branches      270      270              
==========================================
  Hits          927      927              
- Misses        437      438       +1     
  Partials        2        2

Impacted Files	Coverage Δ
src/themes/teams/components/List/listStyles.ts	37.5% <0%> (ø)	⬆️
src/themes/teams/components/List/listItemStyles.ts	21.42% <0%> (-1.65%)	⬇️
src/components/List/ListItem.tsx	95% <100%> (ø)	⬆️
src/components/List/List.tsx	100% <100%> (ø)	⬆️

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