refactor(slider): update api

[mlmoravek]

This is part of #606

In this pull request I refactored the slider component from Options-API to Composition-API.

Proposed Changes

• Update Sliderto composition api
• Update docs
• Add disabled prop to tooltip
• Remove unused files

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[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (267313a) 59.03% compared to head (63e19ac) 59.03%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #645   +/-   ##
========================================
  Coverage    59.03%   59.03%           
========================================
  Files           87       87           
  Lines         2429     2429           
  Branches       814      814           
========================================
  Hits          1434     1434           
  Misses         884      884           
  Partials       111      111           

Flag	Coverage Δ
oruga	67.21% <ø> (ø)
oruga-next	48.89% <0.00%> (ø)

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Files	Coverage Δ
...es/oruga-next/src/composables/useParentProvider.ts	0.00% <0.00%> (ø)

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