Add sitemap

yarn.lock

@@ -7457,6 +7457,15 @@ simple-websocket@^7.0.1:
     readable-stream "^2.0.5"
     ws "^6.0.0"
 
+sitemap@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/sitemap/-/sitemap-2.1.0.tgz#1633cb88c196d755ad94becfb1c1bcacc6d3425a"
+  integrity sha512-AkfA7RDVCITQo+j5CpXsMJlZ/8ENO2NtgMHYIh+YMvex2Hao/oe3MQgNa03p0aWY6srCfUA1Q02OgiWCAiuccA==
+  dependencies:
+    lodash "^4.17.10"
+    url-join "^4.0.0"
+    xmlbuilder "^10.0.0"
+
 slash@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
@@ -8592,6 +8601,11 @@ urix@^0.1.0:
   resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
   integrity sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=
 
+url-join@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/url-join/-/url-join-4.0.0.tgz#4d3340e807d3773bda9991f8305acdcc2a665d2a"
+  integrity sha1-TTNA6AfTdzvamZH4MFrNzCpmXSo=
+
 url-parse-lax@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/url-parse-lax/-/url-parse-lax-1.0.0.tgz#7af8f303645e9bd79a272e7a14ac68bc0609da73"
@@ -9001,6 +9015,11 @@ xml@^1.0.1:
   resolved "https://registry.yarnpkg.com/xml/-/xml-1.0.1.tgz#78ba72020029c5bc87b8a81a3cfcd74b4a2fc1e5"
   integrity sha1-eLpyAgApxbyHuKgaPPzXS0ovweU=
 
+xmlbuilder@^10.0.0:
+  version "10.1.1"
+  resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-10.1.1.tgz#8cae6688cc9b38d850b7c8d3c0a4161dcaf475b0"
+  integrity sha512-OyzrcFLL/nb6fMGHbiRDuPup9ljBycsdCypwuyg5AAHvyWzGfChJpCXMG88AGTIMFhGZ9RccFN1e6lhg3hkwKg==
+
 xmlbuilder@~9.0.1:
   version "9.0.7"
   resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-9.0.7.tgz#132ee63d2ec5565c557e20f4c22df9aca686b10d"