move content to top-level README

README.md

@@ -1 +1,19 @@
-# SCANDAN
+# SCANDAN
+
+## Usage notes
+
+### Running graphical applications via Docker
+
+```console
+XSOCK=/tmp/.X11-unix
+XAUTH=/tmp/.docker.xauth
+xauth nlist "$DISPLAY" | sed -e 's/^..../ffff/' | xauth -f "$XAUTH" nmerge -
+
+docker run --rm -it \
+    -e USER="$USER" \
+    -e DISPLAY="$DISPLAY" \
+    -e XAUTHORITY="$XAUTH" \
+    -v $XSOCK:$XSOCK \
+    -v $XAUTH:$XAUTH \
+    <image-name>
+```

software/FSL/README.md

@@ -8,21 +8,6 @@ Old site at https://fsl.fmrib.ox.ac.uk/fsl/fslwiki
 
 A container with a relatively old version (5.0.7) can be build from `fsl5.Dockerfile`.
 
-To run with the correct display options, use:
-
-```console
-XSOCK=/tmp/.X11-unix
-XAUTH=/tmp/.docker.xauth
-xauth nlist "$DISPLAY" | sed -e 's/^..../ffff/' | xauth -f "$XAUTH" nmerge -
-
-docker run --rm -it \
-    -e USER="$USER" \
-    -e DISPLAY="$DISPLAY" \
-    -e XAUTHORITY="$XAUTH" \
-    -v $XSOCK:$XSOCK \
-    -v $XAUTH:$XAUTH \
-    <image-name>
-```
 
 ### FSL Documentation