[gnome-user-docs] Update German screen-shots

[Christian Kirbach <ckirbach src gnome org>]

commit 3c30af74c539c0996215d1c5dcaab85df526312d
Author: Christian Kirbach <christian kirbach gmail com>
Date:   Tue Mar 9 22:12:43 2021 +0100

    Update German screen-shots

 gnome-help/de/figures/shell-appts-classic.png | Bin 0 -> 76776 bytes
 gnome-help/de/figures/shell-exit-classic.png  | Bin 0 -> 41620 bytes
 gnome-help/de/figures/shell-workspaces.png    | Bin 0 -> 10073 bytes
 3 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/gnome-help/de/figures/shell-appts-classic.png b/gnome-help/de/figures/shell-appts-classic.png
new file mode 100644
index 00000000..c7955a65
Binary files /dev/null and b/gnome-help/de/figures/shell-appts-classic.png differ
diff --git a/gnome-help/de/figures/shell-exit-classic.png b/gnome-help/de/figures/shell-exit-classic.png
new file mode 100644
index 00000000..af45d00a
Binary files /dev/null and b/gnome-help/de/figures/shell-exit-classic.png differ
diff --git a/gnome-help/de/figures/shell-workspaces.png b/gnome-help/de/figures/shell-workspaces.png
new file mode 100644
index 00000000..17531783
Binary files /dev/null and b/gnome-help/de/figures/shell-workspaces.png differ