Draw field on new webpage.

Change-Id: Ibf71aa126e51cb6a6110d890c13d0633fbc3087b
diff --git a/y2020/BUILD b/y2020/BUILD
index f3ea4d6..4aa851f 100644
--- a/y2020/BUILD
+++ b/y2020/BUILD
@@ -166,6 +166,7 @@
     srcs = ["web_proxy.sh"],
     data = [
         ":config.json",
+        "//y2020/www:field_main_bundle",
         "//aos/network:web_proxy_main",
         "//y2020/www:files",
         "//y2020/www:flatbuffers",