Describes the cause and action for error messages.
Error Message(English)：
not uploading folders
Solved: How to upload an entire folder? - GitHub Community Forum
https://github.community/t5/How-to-use-Git-and-GitHub/How-to-upload-an-entire-folder/td-p/8516
Solved: Upload folder - GitHub Community Forum
https://github.community/t5/How-to-use-Git-and-GitHub/Upload-folder/td-p/15757
Adding a file to a repository - GitHub Help
https://help.github.com/en/articles/adding-a-file-to-a-repository
How to upload a folder to GitHub (I'm using the browser) - Quora
https://www.quora.com/How-do-I-upload-a-folder-to-GitHub-Im-using-the-browser
How to upload folders in GitLab or Bitbucket, as I do in GitHub
https://www.quora.com/How-do-I-upload-folders-in-GitLab-or-Bitbucket-as-I-do-in-GitHub
How to upload more than 100 files on GitHub
https://www.quora.com/How-do-I-upload-more-than-100-files-on-GitHub
How should I put my Wordpress code on Github? Should only ...
https://www.quora.com/How-should-I-put-my-Wordpress-code-on-Github-Should-only-upload-the-theme-fold・・・
How to upload a project in zip file to GitHub
https://www.quora.com/How-can-I-upload-a-project-in-zip-file-to-GitHub
How to upload a folder on github? - Godot Engine - Q&A
http://godotengine.org/qa/27184/how-to-upload-a-folder-on-github