feat(components): add icon component

[desmondinho]

Description

Add the icon component to the library of components.

Closes #18

What's been done?

Added the simple icon component with the following abilities:

• Set the name (font icon) or SVG path of the icon
• Set the size
• Set the viewBox
• Set the color (e.g., primary, danger)

Checklist

• My code follows the project's coding style and guidelines.
• I have included inline docs for my changes, where applicable.
• I have added, updated or removed tests according to my changes.
• All tests are passing.
• There's an open issue for the PR that I am making.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.06%. Comparing base (1737150) to head (f4dd2bf).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #19      +/-   ##
==========================================
+ Coverage   98.02%   98.06%   +0.04%     
==========================================
  Files          31       33       +2     
  Lines         808      823      +15     
  Branches       76       78       +2     
==========================================
+ Hits          792      807      +15     
  Misses         12       12              
  Partials        4        4              

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