Added @heinzkabutz's video tutorial to the JShell resources
Added @heinzkabutz's video tutorial to the JShell resources

neomatrix369/jdk9-jigsaw,neomatrix369/jdk9-jigsaw,neomatrix369/jdk9-jigsaw,AdoptOpenJDK/jdk9-jigsaw,AdoptOpenJDK/jdk9-jigsaw,AdoptOpenJDK/jdk9-jigsaw