Switch from minitest to rspec

spec/requests/api/v1/parks_spec.rb

@@ -0,0 +1,10 @@
+require 'rails_helper'
+
+RSpec.describe "Api::V1::Parks", type: :request do
+  describe "GET /index" do
+    it "returns http success" do
+      get "/api/v1/parks/index"
+      expect(response).to have_http_status(:success)
+    end
+  end
+end