[FEATURE] Add SKT model

[weizhehuang0827]

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Description

(Brief description on what this PR is about)

What does this implement/fix? Explain your changes.

...

Pull request type

• [ ] [DATASET] Add a new dataset
• [ ] [BUGFIX] Bugfix
• [x] [FEATURE] New feature (non-breaking change which adds functionality)
• [ ] [BREAKING] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] [STYLE] Code style update (formatting, renaming)
• [ ] [REFACTOR] Refactoring (no functional changes, no api changes)
• [ ] [BUILD] Build related changes
• [ ] [DOC] Documentation content changes
• [ ] [Sync] Synchronization with a repository
• [ ] [OTHER] Other (please describe):

Changes

• Add SKT model
• Add SKT example
• Add SKT doc
• Add tests for SKT

Does this close any currently open issues?

10

Any relevant logs, error output, etc?

N/A

Checklist

Before you submit a pull request, please make sure you have to following:

Essentials

• [x] PR's title starts with a category (e.g. [BUGFIX], [FEATURE], [BREAKING], [DOC], etc)
• [x] Changes are complete (i.e. I finished coding on this PR)
• [x] All changes have test coverage and al tests passing
• [x] Code is well-documented (extended the README / documentation, if necessary)
• [x] If this PR is your first one, add your name and github account to AUTHORS.md

Comments

• If this change is a backward incompatible change, why must this change be made.
• Interesting edge cases to note here

[codecov-commenter]

Codecov Report

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

Comparison is base (ff426dd) 100.00% compared to head (0802d5a) 100.00%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #34 +/- ## ========================================== Coverage 100.00% 100.00% ========================================== Files 33 38 +5 Lines 1725 1982 +257 ========================================== + Hits 1725 1982 +257 ```

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