Added a finished_at column on matches, created a callback to updated that only if finished changes and is 1, and display that on the match stats page.

db/migrate/20250122142911_add_finished_at_to_matches.rb

@@ -0,0 +1,9 @@
+class AddFinishedAtToMatches < ActiveRecord::Migration[7.0]
+  def up
+    add_column :matches, :finished_at, :datetime
+  end
+
+  def down
+    remove_column :matches, :finished_at
+  end
+end