feat: implement basic fairy tracker

test/controllers/fairy_controller_test.rb

@@ -0,0 +1,23 @@
+require "test_helper"
+
+class FairyControllerTest < ActionDispatch::IntegrationTest
+  test "should get mark" do
+    get fairy_mark_url
+    assert_response :success
+  end
+
+  test "should get suggest" do
+    get fairy_suggest_url
+    assert_response :success
+  end
+
+  test "should get unmark" do
+    get fairy_unmark_url
+    assert_response :success
+  end
+
+  test "should get despawn" do
+    get fairy_despawn_url
+    assert_response :success
+  end
+end