Scaffold park model

db/migrate/20251008044109_create_parks.rb

@@ -0,0 +1,13 @@
+class CreateParks < ActiveRecord::Migration[8.0]
+  def change
+    create_table :parks do |t|
+      t.string :code, null: false
+      t.string :name, null: false
+      t.datetime :established_date, null: false
+      t.text :states, null: false
+      t.json :properties, null: false, default: {}
+
+      t.timestamps
+    end
+  end
+end