adds budget/budget_investment indexes to valuators

app/controllers/valuation/budgets_controller.rb

@@ -0,0 +1,13 @@
+class Valuation::BudgetsController < Valuation::BaseController
+  include FeatureFlags
+  feature_flag :budgets
+
+  has_filters %w{open finished}, only: :index
+
+  load_and_authorize_resource
+
+  def index
+    @budgets = Budget.send(@current_filter).order(created_at: :desc).page(params[:page])
+  end
+
+end