hx-boost attribute

• overriding default swap style does not effect boosting18ms ‣

  htmx.config.defaultSwapStyle = 'afterend'
  try {
    this.server.respondWith('GET', '/test', 'Boosted')
    var a = make('<a hx-target="this" hx-boost="true" id="a1" href="/test">Foo</a>')
    a.click()
    this.server.respond()
    a.innerHTML.should.equal('Boosted')
  } finally {
    htmx.config.defaultSwapStyle = 'innerHTML'
  }