add info about FAIme

doc/fai-guide.txt

@@ -187,7 +187,7 @@ file system, inspect the hardware or do any other task.
 * Very quick unattended installation.
 * Flexible system through easy class concept.
 * Update of running systems without re-installation.
-* Easy creation of a virtualization environment or a chroot
+* Cloud images for virtualization environment
 * Hosts can boot from network card, CD, USB stick.
 * Simple creation of an installation CD or USB stick.
 * PXE with DHCP boot method is supported.
@@ -237,7 +237,13 @@ from different installation types.
 
 This installation will run without an install server. The CD
 installation is the same as when run in a network environment using
-the FAI install server.
+the FAI install server and can also be used from USB stick on a real
+computer.
+
+You can also create yourself a custom fully automated installation
+image on the webpage https://fai-project.org/FAIme without the need of
+installing FAI von your computer.
+
 
 === [[cdserver]]My first server installation
 
@@ -1724,6 +1730,10 @@ with hostname set to foobar.
 # fai-diskimage -Nvu foobar -S5G -c$cl ubuntu.qcow2
 ----
 
+You can give disk images a try without installing FAI, if you visit
+https://fai-project.org/FAIme/cloud
+
+
 === [[cross-arch]]Building cross-architecture disk images
 
 Starting FAI 5.4 it's now possible to build a disk image for