Brandon/mixpanel

[veloraine]

Thanks for your support to the project. Kindly check and fill below mentioned points

Detailed description of changes

What's New

N / A

What's Updated

Added MixPanel tracking integration for 5 events:

1. Login button click
2. Login success
3. View all course button click
4. View this semester button click
5. View course by clicking the course card

New Package Added

"dependencies": 
  - // N / A

"dev_dependencies": 
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Recommendations on how to test the changes

N / A

Checklist for developer

• The code builds clean without any errors or warnings
• The code does not contain commented out code
• The code does not log anything to console
• I have added unit test(s) to cover new code and successfully executed ran it
• I have thoroughly tested the new code and any adjacent features it may affect

Link to related issue(s)

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Screenshots or videos (before and after if appropriate)

Before

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After

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