feat: add support for design tokens and CSS variables

[xitij2000]

WIP: Adds support for styling using a runtime theming as implemented in openedx/frontend-platform#440

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[mphilbrick211]

Hi @xitij2000! Just seeing if this is OK to close?

[xitij2000]

Hi @xitij2000! Just seeing if this is OK to close?

This is laying groundwork for the design tokens work going in openedx/frontend-platform#440

So I'll leave it in draft and update it to work with the latest changes till that PR is merged and available.

[Mashal-m]

Hey @xitij2000, What is the current status of this PR, is it ready to review and merge?
Could you please resolve conflicts?

[mphilbrick211]

Hey @xitij2000, What is the current status of this PR, is it ready to review and merge? Could you please resolve conflicts?

Hi @xitij2000 - just following up to see if this can be closed?

[xitij2000]

Hey @xitij2000, What is the current status of this PR, is it ready to review and merge? Could you please resolve conflicts?

Hi @xitij2000 - just following up to see if this can be closed?

I'll close it for now and reopen when the relevant PR openedx/frontend-platform#440 is merged.

[mphilbrick211]

Closing per comment above.

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@xitij2000 Even though your pull request wasn’t merged, please take a moment to answer a two question survey so we can improve your experience in the future.

[openedx-webhooks]

@xitij2000 Even though your pull request wasn’t merged, please take a moment to answer a two question survey so we can improve your experience in the future.