Added text color support along with background color support.

[HILAYTRIVEDI]

What?

Closes #69489

Why?

This PR will add the text support along with BG color support.

How?

This PR will add the text support in the block.json

Testing Instructions

Testing Instructions for Keyboard

Screenshots or screencast

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Co-authored-by: HILAYTRIVEDI <[email protected]>
Co-authored-by: code-with-mehedi <[email protected]>
Co-authored-by: t-hamano <[email protected]>
Co-authored-by: sarthaknagoshe2002 <[email protected]>
Co-authored-by: carolinan <[email protected]>

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[sarthaknagoshe2002]

Thanks for the fix @HILAYTRIVEDI. This lgtm.