hide feedback page from search engines, add a docs page that links to…

… it instead

aka: anti-st-confusion take 2
(i'm not really sure about the page contents, it's a bit hard to word it)

content/docs/feedback.md

@@ -0,0 +1,12 @@
+---
+title: Send feedback to Scratch Addons developers
+description: How to send feedback to Scratch Addons.
+weight: 52
+---
+
+This page is to send feedback for an *unofficial* Scratch browser extension **not affiliated with the Scratch Team**!
+We cannot do anything about moderation actions.
+
+If you want to report something on the Scratch website that breaks Scratch's rules, use the Report button on the Scratch website instead.
+
+To send feedback for the Scratch Addons browser extension, visit the Feedback page: https://scratchaddons.com/feedback/

content/feedback.html

@@ -1,6 +1,7 @@
 ---
 title: Send Feedback
 description: Send feedback to Scratch Addons developers.
+robots_tag: noindex
 ---
 
 <h1>Send Feedback</h1>