message: [Auctions] adds web view for auction tab zero state
diff: import React from "react"
  -import { SectionList } from "react-native"
  -import { StyleSheet } from "react-native"
  +import { SectionList, StyleSheet, WebView } from "react-native"
  import { createFragmentContainer, graphql } from "react-relay"
  import LotsByFollowedArtists from "./Components/LotsByFollowedArtists"
  import { SaleList } from "./Components/SaleList"
  @@ -18,7 +17,17 @@ class Sales extends React.Component<Props> {
  }
  }
  + hasData() {
  + const { liveAuctions, timedAuctions, viewer } = this.data
  + return liveAuctions.length > 0 || timedAuctions.length > 0 || viewer.sales.length > 0
  + }
  +
  render() {
  + const hasData = this.hasData()
  + if (!hasData) {
  + return <WebView source={{ uri: "https://www.artsy.net/auctions" }} style={{ flex: 1 }} />
  + }
  +
  const sections = [
  {
  data: [{ data: this.data.liveAuctions }],
  