Updated Creating a release (markdown)

Creating-a-release.md

@@ -69,6 +69,26 @@ move /y build\nim_%NIMVER%.exe web\upload\download\nim-%NIMVER%_x64.exe || exit
 
 ```
 
+Shell script, simple:
+
+```sh
+#!/bin/sh
+set -eu
+tmp_dir=$(mktemp -d)
+cd $tmp_dir
+git clone -q --depth 1 https://github.com/nim-lang/Nim.git
+cd Nim
+git clone -q --depth 1 https://github.com/nim-lang/csources
+( cd csources && sh build.sh )
+bin/nim c koch
+./koch boot -d:release
+./koch web0
+PATH=$PATH:$(pwd)/bin
+./koch csource -d:release
+./koch xz -d:release
+./koch nsis
+```
+
 Shell script, work in progress:
 
 ```sh