Feature: Refactor code, add colored boxes, information icons, and longer line animation duration

[mohdsayed]

Description

This PR does the following.

1. Refactor code to separate protected audience and other features like Topics.
2. Introduce new addCanvasEventListener and removeCanvasEventListener to add and remove event listeners.
3. Extends Box component to support background color,
4. Add information icons
5. Extend ProgressLine component to optionally not have any animation.

Relevant Technical Choices

Testing Instructions

Additional Information:

Screenshot/Screencast

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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.
• The QA of this PR is done by a member of the QA team (to be checked by QA).

Partially addresses #857

[amovar18]

LGTM!