Added personalized report feature and schedular

[PARVATHI-PR]

• Added a personalized report feature:

  • Displays the current session summary for the logged-in user
  • Shows session topic, date, and time in a clear panel
  • Keeps the report updated when new sessions are scheduled
  • Each and every question will have a report

• Added a standalone scheduler feature:

  • Introduced a dedicated Scheduler tab in index.html
  • Added a calendar form for start/end date, time, and topic
  • Supports session creation, listing, and removal
  • Includes a Clear All button to reset scheduled sessions
  • Automatically updates session count and current session status

• Integrated course card actions:

  • Added Schedule Session buttons to course cards
  • Clicking a button opens the Scheduler tab
  • Pre-fills the scheduler topic from the selected course
  • Focuses the date input for faster session creation