Feature/target grade history

[nodogx]

Description

This PR introduces a new Target Grade Change History feature on the front end and the back end. The feature includes:
• A new table in the Progress Dashboard to display the history of changes made to a student’s target grade.
• Integration with the back-end API to fetch and render the target grade history dynamically.
• Relevant CoffeeScript and HTML updates to ensure seamless functionality and responsiveness.

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

The changes were tested as follows:

1. Visual Validation:
   • Verified that the Target Grade Change History table renders correctly on the Progress Dashboard.
   • Ensured responsive layout across devices.
2. API Integration Testing:
   • Confirmed data is fetched correctly from the back end and rendered in the front end.
   • Tested error handling for scenarios like no data or failed API calls.

Testing Checklist:

• Tested in latest Chrome
• Tested in latest Safari

Checklist:

My code follows the style guidelines of this project.
•	I have performed a self-review of my code.
•	I have commented my code, particularly in hard-to-understand areas.

Front end Pull Request -- doubtfire-lms/doubtfire-web#904