feat: skill: adds svg and suffix support with assessments status and required props

[dkilgore-eightfold]

SUMMARY:

This PR contains the following updates to the SkillTag and SkillBlock components:

• Adds and exports Skill Assessment SVG Images provided by UX, adds their global CSS variables and updates SkillBlock and SkillTag to consume them via a tuple mapping to SkillSize and SkillAssessment
• Adds showLabelAssessmentIcon prop to SkillBlock and SkillTag providing a way to hide the assessment icons if desired
• Adds SkillAssessment including properties (Below, Exceed, Meet, Upskilling, ...)
• Adds blockEndClassNames, blockEndStyles, blockStartClassNames, blockStartStyles to SkillBlock and SkillTag
• Adds required and requiredMark props to SkillBlock and SkillTag, along with the specified mark styles provided by UX
• Adds inlineSvgProps to support custom SVGs in SkillBlock and SkillTag
• Adds suffixIconProps and suffixInlineSvgProps to support custom suffix iconography in and SkillTag (e.g. trending icon)
• Adds global semantic CSS variables for default, highlight and match SkillBlock and SkillTag and updates the components to use them
• Adds fullWidth prop to SkillTag enabling a uniform size for vertical list implementations
• Adds bordered prop to SkillTag such that its borders may be shown or hidden
• Exports matchingSkillStatus and matchingSkillAssessment helper properties to aid in mapping of Skills
• Renames some existing global CSS variables, removing "neutral" as its not necessary
• Adds unit tests
• Updates stories

https://github.com/EightfoldAI/octuple/assets/99700808/f804bf84-33c1-46dd-a477-055a4e19f68f

JIRA TASK (Eightfold Employees Only):

ENG-69065

CHANGE TYPE:

• [ ] Bugfix Pull Request
• [x] Feature Pull Request

TEST COVERAGE:

• [ ] Tests for this change already exist
• [x] I have added unittests for this change

TEST PLAN:

Pull the PR branch and run yarn and yarn storybook. Verify the SkillBlock and SkillTag stories behave as expected.

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[codecov[bot]]

Codecov Report

Attention: 17 lines in your changes are missing coverage. Please review.

Comparison is base (87a570e) 85.06% compared to head (f704f69) 85.06%.

Files	Patch %	Lines
src/components/Skill/SkillTag.tsx	86.30%	9 Missing and 1 partial :warning:
src/components/Skill/SVG/BelowLargeImg.tsx	50.00%	1 Missing :warning:
...c/components/Skill/SVG/BelowUpskillingLargeImg.tsx	50.00%	1 Missing :warning:
src/components/Skill/SVG/ExceedLargeImg.tsx	50.00%	1 Missing :warning:
.../components/Skill/SVG/ExceedUpskillingLargeImg.tsx	50.00%	1 Missing :warning:
src/components/Skill/SVG/MeetLargeImg.tsx	50.00%	1 Missing :warning:
...rc/components/Skill/SVG/MeetUpskillingLargeImg.tsx	50.00%	1 Missing :warning:
src/components/Skill/SVG/UpskillingLargeImg.tsx	50.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #758 +/- ## ========================================== - Coverage 85.06% 85.06% -0.01% ========================================== Files 887 908 +21 Lines 18821 18917 +96 Branches 6935 6983 +48 ========================================== + Hits 16011 16091 +80 - Misses 2728 2744 +16 Partials 82 82 ```

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