Added a quick checkpoint to ensure the config file is set up correctl…

…y prior to users importing their music library

docs/guides/main.rst

@@ -199,6 +199,13 @@ here, including the directory and file naming scheme. See
 
 .. _YAML: https://yaml.org/
 
+To check that your config file is set up correctly run ``beet version``. This should return your 
+beets version, Python version, and a list of installed plugins. If no plugins are displayed, but 
+there are plugins listed in your config file go back to the steps above to set up the config 
+file properly before importing your music library. You can also run ``beet config`` which will 
+display more in-depth details about each enabled plugin.
+
+
 Importing Your Library
 ----------------------