Step by step: How to create a Folder
While viewing Nugit in tile mode, go to the group you want to create the folder in. Click the arrow next to 'Create Story' and click Create Folder.
Step by step: How to move a story into a Folder
While viewing Nugit in tile mode, hover over the story and click the gear icon. Click Add to Folder.
In the pop-up, select the folder you want to move the story into, and click Add.
Step by step: How to remove a story from a Folder
While viewing Nugit in tile mode, click on the Folder your story is in.
Hover over the story and click the gear icon. Click Remove from Folder.
Step by step: How to delete a Folder
While viewing Nugit in tile mode, hover over the folder and click the gear icon.
Click Remove from Folder. In the pop-up that appears, click Delete.
Optional: If you created the folder, you will see the option to "Delete all stories inside this folder". Select this before clicking Delete to delete both the stories and the folder. Otherwise, the default is that stories will not be deleted.