Implement alerts index

spec/requests/api/v1/parks_spec.rb

@@ -42,7 +42,7 @@ RSpec.describe "Api::V1::Parks", type: :request do
     end
 
     it "returns the park" do
-      get api_v1_park_url("crla")
+      get api_v1_park_url(parks(:one).code)
       expect(response).to have_http_status(:success)
       expect(response.parsed_body).to match(
         hash_including(