Expense edit & delete

[Anuoluwatobi]

As a User
I need to be able to edit or delete an expense
So that I can change expense properties or delete an expense

Details and Assumptions

• An expense has been created
• All properties of an expense can be edited except the date, which is immutable.
  *The user can delete an expense which will delete the receipt attached to the expense.

Acceptance Criteria

Given that a user has created an expense 
When the name/amount/category/description/participant is edited.
Then the properties of the expense are updated.

Given that a user has created an expense 
When the user deletes an expense 
Then the expense is no longer accessible to the user.