Resources 
            
    Contains the sub folders Public/ and Private/, which
contain resources, possibly in further subfolders.
Only files in the folder Public/ should be publicly accessible.
All resources that only get accessed by the web server
(templates, language files, etc.) go to the folder Private/.
Note
Non–TYPO3 files such as third party JavaScript libraries are commonly stored in this folder.
TYPO3 is licensed under GPL version 2 or any later version. Any non–TYPO3 code must be compatible with GPL version 2 or any later version.