Update submitting_to_assetlib.rst (#7339)

Co-authored-by: Aaron Franke <[email protected]>
Co-authored-by: Max Hilbrunner <[email protected]>

community/asset_library/submitting_to_assetlib.rst

@@ -59,6 +59,11 @@ These things are not required for your asset to be approved, but
 if you follow these recommendations, you can help make the asset
 library a better place for all users.
 
+* When creating non-project assets, it is common practice to place your files
+  inside of an **addons/asset_name/** folder. Do this to avoid having your files 
+  clash with other assets, or with the files of users installing your asset. 
+  This folder will **not** be automatically generated when a user installs your asset.
+
 * Fix or suppress all script **warnings**. The warning system is there to
   help identify issues with your code, but people using your asset
   don't need to see them.