Add money validator.
Create Transactions
Move data from conversation to transaction
Rename conversation_id to transaction_id
Booking and payment belong to transaction
Factory specs passing
Specs passing
Structure
TEMP
TEMP
A lot has changed, a lot work to do
Fix one more test
Renaming etc.
Before moving testimonials
Lots of things
More stuff fixed
Fixed more tests
Fix rubocop
TEMP Commit, Conversation Service
Inbox works