[Documentation] Add Code Comments and Function Descriptions in background.js

[atj393]

Description:

Add detailed comments and function descriptions for each function in the background.js file to improve readability and maintainability.

Files Involved:

background.js

Expected Outcome:

All functions in background.js should have descriptive comments and function headers.

[aldol07]

I am willing to work on it. Can you assign it to me.

[atj393]

@aldol07 Yes, thanks. Assigned to you.

[aldol07]

How to resolve this while pushing

[atj393]

@aldol07 The PR is already assigned to review. Please wait for the review. Thanks.