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

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

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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

Additional details and impacted files

```diff @@ 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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