1. Login into Github.
2. Select your repository.
3. Tap on "Add file" to the "Create New File" Option.
4. Enter your Folder Name(Ex: RepositoryName/FolderName) and enter "/".
5. Enter file name to commit. I have created README.md for each folder so that it will be easy for me to maintain the details of every folder.
6. Scroll down to the Commit new file section.
7. Choose an option to merge directly to the "master" branch or "Create a new branch".
8. Finally, You need to tap on "Commit new file".