Include duration in budgets table

app/components/admin/budgets/duration_component.rb

@@ -0,0 +1,29 @@
+class Admin::Budgets::DurationComponent < ApplicationComponent
+  attr_reader :durable
+
+  def initialize(durable)
+    @durable = durable
+  end
+
+  def dates
+    safe_join([formatted_start_date, "-", formatted_end_date], " ")
+  end
+
+  def duration
+    distance_of_time_in_words(durable.starts_at, durable.ends_at)
+  end
+
+  private
+
+    def formatted_start_date
+      formatted_date(durable.starts_at) if durable.starts_at.present?
+    end
+
+    def formatted_end_date
+      formatted_date(durable.ends_at - 1.second) if durable.ends_at.present?
+    end
+
+    def formatted_date(time)
+      time_tag(time, format: :datetime)
+    end
+end