Invoicing improvements

Whether you’re managing daily group dog walks, solo training sessions, or overnight boarding, invoicing should work for you—not slow you down. As part of the ongoing feedback from users invoices have seen a small yet helpful tweak

Summary of changes:

✅ Grouped clients: Invoices now group dogs if they are on the same event rather than going through one clients events at a time

✅ Small UI tweaks: Minor amends to make text slightly more readable have been made

✅ Added Invoice Number: unique invoice numbers have been added so you can better track invoices. Eventually I’ll add filters to the app for ease of searching.