readme: move build and run docs in

run

@@ -74,6 +74,10 @@ while getopts a:c:DdE:e:F:f:G:ghIiKkL:l:M:m:N:n:PQ:RrT:t:U:uVX:x OPT; do
       cat build-usage.adoc 1>&2
       exit
       ;;
+    h)
+      echo "https://github.com/cirosantilli/linux-kernel-module-cheat#run" 2>&1
+      exit
+      ;;
     I)
       initramfs=true
       ;;