message: fix(pagination): add keys to links
diff: @@ -33,6 +33,7 @@ export class DocsPagination {
  links.push(
  <stencil-route-link
  url={previousUrl}
  + key="previous"
  class="previous"
  anchorTitle={previousText}>
  <BackArrow/>
  @@ -45,6 +46,7 @@ export class DocsPagination {
  links.push(
  <stencil-route-link
  url={nextUrl}
  + key="next"
  class="next"
  anchorTitle={nextText}>
  <span>{nextText}</span>
  