Add /tutorial redirect

sophiebits · sophiebits · commit 66a71c72b48c · 2018-12-28T17:02:11.000-08:00
diff --git a/static/_redirects b/static/_redirects
@@ -1,3 +1,4 @@
 /html-jsx.html  https://magic.reactjs.net/htmltojsx.htm  301
 /tips/controlled-input-null-value.html  /docs/forms.html#controlled-input-null-value
 /hooks /docs/hooks-intro.html
+/tutorial /tutorial/tutorial.html
