More rebranding changes (#159)

* Replace Maybe for Sure in select code areas

* Make sure passwords are consistent

* Remove (admin|member) from demo data first name

* Database and schema names finally to `sure`

* Fix broken test

* Another (benchmarking) database name to `sure_*`

* More rebranding to Sure

* Missed this Maybe mention in the same page

* Random nitpicks and more Maybes

* Demo data accounts and more Maybes

* Test data account updates

* Impersonation test accounts

* Consistency with `compose.example.yml`

app/models/simplefin_account/processor.rb

@@ -79,8 +79,8 @@ class SimplefinAccount::Processor
       end
 
       # SimpleFin uses banking convention (expenses negative, income positive)
-      # Maybe expects opposite convention (expenses positive, income negative)
-      # So we negate the amount to convert from SimpleFin to Maybe format
+      # Sure expects opposite convention (expenses positive, income negative)
+      # So we negate the amount to convert from SimpleFin to Sure format
       -parsed_amount
     rescue ArgumentError => e
       Rails.logger.error "Failed to parse SimpleFin transaction amount: #{amount_value.inspect} - #{e.message}"