implement players

db/migrate/20240913010237_create_players.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+ROM::SQL.migration do
+  change do
+    create_table :players do
+      primary_key :id
+      column :name, String, null: false
+      column :rating, Integer, null: false
+    end
+  end
+end