feat: creation of new 'size' tokens

[DavideMininni-Fincons]

BEGIN_COMMIT_OVERRIDE
feat: creation of new 'size' tokens

BREAKING CHANGE: some tokens have been removed and some others added; specifically:

• the following tokens have been removed:
  • --sbb-size-button-m-min-height-<breakpoint>
  • --sbb-size-button-l-min-height-<breakpoint>
  • --sbb-size-form-element-m-min-height-<breakpoint>
  • --sbb-size-form-element-l-min-height-<breakpoint>
  • --sbb-size-touch-min
  • --sbb-size-icon-timetable-attribute
  • --sbb-size-icon-timetable-him-cus
  • --sbb-size-icon-timetable-product-brand
  • --sbb-size-icon-pictograms
  • --sbb-size-icon-form-error
• the following composed tokens have been removed:
  • --sbb-size-button-m-min-height
  • --sbb-size-button-l-min-height
  • --sbb-size-form-element-m-min-height
  • --sbb-size-form-element-l-min-height
• the following tokens have been added:
  • --sbb-size-element-xs-<breakpoint>
  • --sbb-size-element-s-<breakpoint>
  • --sbb-size-element-m-<breakpoint>
  • --sbb-size-element-l-<breakpoint>
• the following composed tokens have been added:
  • --sbb-size-element-xs
  • --sbb-size-element-s
  • --sbb-size-element-m
  • --sbb-size-element-l

END_COMMIT_OVERRIDE

[kyubisation]

LGTM 👍
Nice idea 😃

[jeripeierSBB]

Thanks!