message: Add Koh-fi donation link to basket page
  (https://ko-fi.com/C0C7PLXP)
diff: @@ -18,12 +18,13 @@ import {
  faThumbsUp,
  faTshirt,
  faStickyNote,
  - faHandHoldingUsd
  + faHandHoldingUsd,
  + faCoffee
  } from '@fortawesome/free-solid-svg-icons'
  import { faCreditCard as faCredit, faTrashAlt } from '@fortawesome/free-regular-svg-icons/'
  import { faBtc, faEthereum, faPaypal, faLeanpub } from '@fortawesome/free-brands-svg-icons'
  -library.add(faMinusSquare, faPlusSquare, faCartArrowDown, faGift, faCreditCard, faTrashAlt, faHeart, faBtc, faPaypal, faLeanpub, faEthereum, faCredit, faThumbsUp, faTshirt, faStickyNote, faHandHoldingUsd)
  +library.add(faMinusSquare, faPlusSquare, faCartArrowDown, faGift, faCreditCard, faTrashAlt, faHeart, faBtc, faPaypal, faLeanpub, faEthereum, faCredit, faThumbsUp, faTshirt, faStickyNote, faHandHoldingUsd, faCoffee)
  dom.watch()
  @Component({
  