Add alert model

db/schema.rb

@@ -10,7 +10,19 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_10_08_044109) do
+ActiveRecord::Schema[8.0].define(version: 2025_10_08_063847) do
+  create_table "alerts", force: :cascade do |t|
+    t.string "category", null: false
+    t.text "description"
+    t.string "park_code", null: false
+    t.string "title", null: false
+    t.string "url"
+    t.datetime "indexed_date"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["park_code"], name: "index_alerts_on_park_code"
+  end
+
   create_table "parks", force: :cascade do |t|
     t.string "code", null: false
     t.string "name", null: false
@@ -20,4 +32,6 @@ ActiveRecord::Schema[8.0].define(version: 2025_10_08_044109) do
     t.datetime "updated_at", null: false
     t.index ["code"], name: "index_parks_on_code", unique: true
   end
+
+  add_foreign_key "alerts", "parks", column: "park_code", primary_key: "code"
 end