Add script to create Zenmap build environment on Windows

zenmap/install_scripts/windows/setup.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+# Setup environment for building Zenmap installer on Windows
+# Install MSYS2 and run this in the MinGW64 shell: 
+set -x
+set -e
+pkg_prefix=mingw-w64-x86_64-
+pacman -S --needed git zip ${pkg_prefix}{python,gcc,nsis,binutils}
+pacman -S --needed ${pkg_prefix}python-gobject ${pkg_prefix}gtk3 msys2-runtime
+pacman -S --needed mingw-w64-x86_64-python3-pip
+git clone https://github.com/achadwick/styrene.git
+cd styrene
+git apply <<'EOF'
+diff --git a/styrene/bundle.py b/styrene/bundle.py
+index 7f5155e..e5c31d3 100644
+--- a/styrene/bundle.py
++++ b/styrene/bundle.py
+@@ -446,7 +446,7 @@ class NativeBundle:
+             - (?P<version> [^-]+ - \d+ )
+             - any
+             [.]pkg[.]tar
+-            (?: [.](?:gz|xz) )?
++            (?: [.](?:gz|xz|zst) )?
+             $
+         '''
+         keyobj = functools.cmp_to_key(self._vercmp)
+diff --git a/styrene/cmdline.py b/styrene/cmdline.py
+index 92eecd4..5e04701 100644
+--- a/styrene/cmdline.py
++++ b/styrene/cmdline.py
+@@ -246,7 +246,7 @@ def main():
+     # Process bundles
+     for spec_file in args:
+         try:
+-            spec = configparser.SafeConfigParser()
++            spec = configparser.RawConfigParser()
+             spec.read(spec_file, encoding="utf-8")
+         except Exception:
+             logger.exception(
+EOF
+pip3 install .