Add link to play-meta instructions about how to rebuild the machine

Author: marcospereira

README.md

@@ -10,3 +10,7 @@ Requirements for full installation:
 Git should ignore the symlinked repos but you may need to tell your IDE to exclude them.
 
 You may see exceptions in the logs about failing to authenticate, ignore them, they are just the periodic git fetch failing because the Play app doesn't have your GitHub credentials.
+
+## Rebuilding the AWS Instance
+
+If it is necessary to rebuild the instance, check this document: <https://github.com/playframework/play-meta/blob/main/playframework.com-machine-setup.md>.