Add edit icon
Adds functionality to Edit an Invoice
-adds Edit Invoice view
-redirect to Show Invoice view after an invoice has been edited
-keeps data structure consistent
-rename Invoice service to ServiceReport
-refactor Invoices Controller on Rails backend
-adds route
-datepickers not working in Edit Invoice view
Datepickers are functional but existing date isn't displayed on Edit Invoice view
Remove number_of_pages from Invoice table
Add icon to view an invoice
Change button label
[Finishes #82095674] Fix data binding attribute
Deploy to Heroku
-Precompile assets
Fix error message concerning front-end validation