adds admin creation of budgets

app/controllers/admin/budgets_controller.rb

@@ -7,6 +7,22 @@ class Admin::BudgetsController < Admin::BaseController
   end
 
   def new
+    @budget = Budget.new
   end
 
+  def create
+    @budget = Budget.new(budget_params)
+    if @budget.save
+      redirect_to admin_budgets_path, notice: t('admin.budgets.create.notice')
+    else
+      render :new
+    end
+  end
+
+  private
+
+    def budget_params
+      params.require(:budget).permit(:name, :description, :phase, :currency_symbol)
+    end
+
 end