Add `eeiam wrtiting $1` (set keyboard layout)

bin/eeiam.in

     echo moving
     echo ooo
     echo wfh
+    echo writing
 }
 
 usage() {
     die "not implemented"
 }
 
+i_am_writing() {
+    #
+    # writing in that language
+    #
+    set -x
+    DISPLAY=:0 setxkbmap $1
+}
+
 cmd=$1
 
 test -n "$cmd" || usage
 
 available_commands | grep -qse ^$1 || usage
 
+shift
 
-i_am_$cmd
+i_am_$cmd $1