[PLEASE, REVIEW] feat(Icon): adding disabled prop to Icon

[bmdalex]

Icon (disabled prop)

This PR will introduce possibility to specify disabled icons

TODO

• Conformance test
• Minimal doc site example
• Stardust base theme
• Teams Light theme
• Teams Dark theme
• Teams Contrast theme
• Confirm RTL usage
• W3 accessibility check
• Stardust accessibility check
• Update glossary props table
• Update the CHANGELOG.md

API Proposal

disabled

disabled property will disable icons by manipulating color and opacity CSS styles

<Icon disabled color="red" name="users" size="big" />

renders

<i class="ui-icon"></i>

[codecov]

Codecov Report

Merging #113 into master will increase coverage by 0.02%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #113      +/-   ##
==========================================
+ Coverage    69.8%   69.82%   +0.02%     
==========================================
  Files          75       75              
  Lines        1202     1203       +1     
  Branches      228      207      -21     
==========================================
+ Hits          839      840       +1     
  Misses        358      358              
  Partials        5        5

Impacted Files	Coverage Δ
src/components/Icon/iconRules.ts	90.9% <100%> (+0.43%)	⬆️
src/components/Icon/Icon.tsx	100% <100%> (ø)	⬆️

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[bmdalex]

Moved to new repo: stardust-ui/react/pull/12