Add note about $HOME directory usage

Bryan Clark · Bryan Clark · commit ddf78adea0a0 · 2019-12-06T14:50:30.000-05:00
diff --git a/README.md b/README.md
@@ -86,6 +86,9 @@ jobs:
     - name: Publish to Apache Maven Central
       run: mvn deploy 
 ```
+
+***NOTE: The `settings.xml` is created in the Actons $HOME directory by default and will overwrite existing files.***	
+
 See the help docs on [Publishing a Package](https://help.github.com/en/github/managing-packages-with-github-packages/configuring-apache-maven-for-use-with-github-packages#publishing-a-package) for more information on the `pom.xml` file.
 
 # License
