Keyboard Accessibility Pagination Component

[mr-gabe49]

Related to #292

Technical details

• This PR adds keyboard accessibility to pagination component
• Adds an aria-label prop to the component
• Adds a small hover effect
• Disables options that can't be clicked

Screenshots

Checklist

• My pull request has a descriptive title (not a vague title like Update index.md).
• My pull request targets the master branch of the repository
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no
  visible errors.

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[seancolsen]

I'm going to let @pavish take this one since he already expressed some opinions and I have not formed any opinions about it.

[pavish]

@mr-gabe49 I think you could remove the hovered state implementation (hoverIndex and hover class) and the left, right arrow handling.

I've added a comment on the issue: #292 (comment)

This gives a general set of guidelines to follow to add accessibility for the pagination component. I believe points 2, 3 and 4 need to be handled.

Let me know if the comment answers your questions.

[mr-gabe49]

@pavish Regarding point 4 from your 292 Comment, point 3 of Accessibility Matters seems to suggest that aria-selected and aria-current could be used interchangeably depending on the presence of the role attribute.

[pavish]

@mr-gabe49 The PR looks pretty good.

I have a couple questions. Once resolved, we can merge this PR.

[codecov-commenter]

Codecov Report

Merging #963 (2bf712a) into master (224d488) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #963   +/-   ##
=======================================
  Coverage   93.27%   93.27%           
=======================================
  Files          95       95           
  Lines        3463     3463           
=======================================
  Hits         3230     3230           
  Misses        233      233           

Flag	Coverage Δ
pytest-backend	93.27% <ø> (ø)

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