feat(ui): create lib & move scss

[Danieliverant]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[X] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

Styles are from the current project.

Issue Number: N/A

What is the new behavior?

Styles are from the UI lib.

Does this PR introduce a breaking change?

[X] Yes
[ ] No

[nx-cloud]

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[codecov]

Codecov Report

Merging #77 (b5d8774) into master (c89acbd) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #77   +/-   ##
=======================================
  Coverage   67.88%   67.88%           
=======================================
  Files          49       49           
  Lines         274      274           
  Branches       16       16           
=======================================
  Hits          186      186           
  Misses         88       88           

Flag	Coverage Δ		*Carryforward flag
cli-daemon	55.00% <ø> (ø)
cli-gui	93.93% <ø> (ø)
configuration	100.00% <ø> (ø)
executors	100.00% <ø> (ø)
generators	77.77% <ø> (ø)
shared	∅ <ø> (∅)		Carriedforward from 5de70b5
ui	∅ <ø> (?)
workspace-manager	83.78% <ø> (ø)

*This pull request uses carry forward flags. Click here to find out more.

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