Updated Meteor (markdown)

Meteor.md

@@ -25,6 +25,14 @@
 - Forums posts about migrating: https://forums.meteor.com
 - ( Older version upgrade to newest 2.14 https://guide.meteor.com/2.14-migration )
 
+## Removing unused files
+
+From Meteor Discord chat from someone:
+
+> Nice tool that I found out about today. I was able to remove 58 unused files, functions, exports, types and dependencies 😄
+>
+> https://knip.dev
+
 ## Building WeKan
 
 - https://github.com/wekan/wekan/wiki/Emoji