Make categories global (#1160)

* Make categories global

This solves us A LOT of cash flow and budgeting problems.

* Update schema.rb

* Update auto_categorizer.rb

* Update income_statement.rb

* FIX budget sub-categories

* FIX sub-categories and tests

* Add 2 step migration

spec/requests/api/v1/transactions_spec.rb

@@ -46,7 +46,6 @@ RSpec.describe 'API V1 Transactions', type: :request do
   let(:category) do
     family.categories.create!(
       name: 'Groceries',
-      classification: 'expense',
       color: '#4CAF50',
       lucide_icon: 'shopping-cart'
     )