gocryptfs is a Gnome Shell Extension which allows to mount a encrypted gocryptfs filesystem. gocyrptfs allows file-based encryption via a mountable FUSE filesystem. Prerequisite: Installed gocrypfs binaries. Binaries can be found in the gocyrptfs github repository. The location and other options can be specified in the settings of the extension.
Gnome Shell Extensions Page
The easiest way to install this extension is via the official Gnome Shell Extensions resource page: TODO
For Arch Linux the AUR package gnome-shell-extension-gocryptfs-git will be provided.