Description

This PR aims to split content script into functional parts.

Relevant Technical Choices

• The PR splits the content script into 2 parts, one part will be used for frame overlay functionality another part is used to detect js cookies in all the frames.

Testing Instructions

• Verify that frameoverlay works as intended and JS cookie detection works as intended.

Additional Information:

• This PR is a work to integrate some more functionality in the PSAT extension.

Screenshot/Screencast

Checklist

• I have thoroughly tested this code to the best of my abilities.
• I have reviewed the code myself before requesting a review.
  - [ ] This code is covered by unit tests to verify that it works as intended. NA
• The QA of this PR is done by a member of the QA team (to be checked by QA).