Simply adding a folder in Git would not make it appear in Graphite/Mist unless you edit the project (.proj) file to include all the files in that folder explicitly. The project file is in XML format so it can be edited easily with a text editor, however we do not recommend doing this very often, unless you are trying to repair a broken project. The recommended approach is to add or remove files and folders from the Graphite's/Mist's own UI, which automatically reflects all the changes made in the file system to the .proj file as well. Then you can commit and push your local changes to the remote Git repository.
If you feel that for some reason the UI in Graphite/Mist is not very convenient, or it is blocking you to perform a specific action, could you be so kind to give us a feedback regarding this, so we can improve the user experience in the future.
the Telerik team
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