Add Week 2 Day 5 task for Emeka Allison expense-tracker

[Aliemeka]

Task Submission PR

Student Info:

• Registered Name: Emeka Allison
• Week: 5
• Day: 2

Task Details:

• Task Name: Expense tracker
• Task Description: Briefly describe the task completed.

Checklist Before Submitting:

• My code follows the repository folder structure.
• I have properly named my files and folders.
• I have documented my code where necessary.
• I have tested my solution and ensured it works as expected.

Additional Comments:

If any, mention here.