install: add script to generate the windows metadata information file

Add create_version_file.py, running this script creates a file
version_info.txt with the data required for the Windows ogClient
binary metadata.

utils/create_version_file.py

@@ -0,0 +1,77 @@
+#!/usr/bin/python3
+
+#
+# Copyright (C) 2020-2024 Soleta Networks <info@soleta.eu>
+#
+# This program is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the
+# Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+import subprocess
+from datetime import datetime
+
+version_template = """
+VSVersionInfo(
+  ffi=FixedFileInfo(
+    filevers=({major}, {minor}, {patch}, 0),
+    prodvers=({major}, {minor}, {patch}, 0),
+    mask=0x3f,
+    flags=0x0,
+    OS=0x40004,
+    fileType=0x1,
+    subtype=0x0,
+    date=(0, 0)
+  ),
+  kids=[
+    StringFileInfo(
+      [
+      StringTable(
+        '040904B0',
+        [
+        StringStruct('CompanyName', 'Soleta Networks'),
+        StringStruct('FileDescription', 'ogClient - OpenGnsys Client Application'),
+        StringStruct('FileVersion', '{version}'),
+        StringStruct('InternalName', 'ogclient'),
+        StringStruct('LegalCopyright', 'Copyright © {year} Soleta Networks'),
+        StringStruct('OriginalFilename', 'ogclient.exe'),
+        StringStruct('ProductName', 'ogClient'),
+        StringStruct('ProductVersion', '{version}')
+        ]
+      )
+      ]
+    ),
+    VarFileInfo([VarStruct('Translation', [1033, 1200])])
+  ]
+)
+"""
+
+def get_git_version():
+    try:
+        version = subprocess.check_output(
+            ["git", "describe", "--tags", "--always"],
+            stderr=subprocess.STDOUT,
+            text=True
+        ).strip()
+        return version
+    except subprocess.CalledProcessError:
+        return "0.0.0"
+
+def version_to_tuple(version):
+    parts = version.lstrip("v").split("-")[0].split(".")
+    version_tuple = []
+
+    for part in parts:
+        if part.isdigit():
+            version_tuple.append(int(part))
+        else:
+            version_tuple.append(0)
+    return tuple(version_tuple)
+
+if __name__ == "__main__":
+    version = get_git_version()
+    major, minor, patch = version_to_tuple(version)
+    current_year = datetime.now().year
+    version_file = version_template.format(major=major, minor=minor, patch=patch, version=version, year=current_year)
+    with open('version_info.txt', 'w', encoding='utf-8') as f:
+        f.write(version_file)