Update README.md

README.md

@@ -8,6 +8,8 @@ All feature requests are tracked in the GitHub issue tracker of this repository.
 
 Creating a feature request here is the best way to coordinate who wants to implement a new integration/feature and tracking progress. Please note there's no guarantee your feature request will be implemented - it all depends on if enough developers are interested in the feature to implement it and if it fits into ESPHome's architecture.
 
+**Note:** Please use the GitHub upvote feature for showing support for a feature request. Do **not** post "+1" comments or similar, those will be hidden/removed. [Feature Requests Sorted by Upvotes](https://github.com/esphome/feature-requests/issues?utf8=%E2%9C%93&q=is%3Aissue+is%3Aopen+sort%3Areactions-%2B1-desc)
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 **Documentation:** https://esphome.io/
 
 **Discord Chat:** https://discord.gg/KhAMKrd