feat(Col): add click event (#4169)

src/col/test/index.spec.js

@@ -0,0 +1,9 @@
+import Col from '..';
+import { mount } from '../../../test/utils';
+
+test('Col click event', () => {
+  const wrapper = mount(Col);
+  wrapper.trigger('click');
+
+  expect(wrapper.emitted('click')).toBeTruthy();
+});