Add script to update all language resources

Author: crosire

tools/update_all_languages.ps1

@@ -0,0 +1,15 @@
+if ((Get-Command "xgettext.exe" -ErrorAction SilentlyContinue) -eq $null) 
+{ 
+   Write-Host "Unable to find xgettext.exe. Please download https://gnuwin32.sourceforge.net/packages/gettext.htm."
+   return
+}
+
+.\create_language_template.ps1 bg-BG
+.\create_language_template.ps1 de-DE
+.\create_language_template.ps1 en-US
+.\create_language_template.ps1 es-ES
+.\create_language_template.ps1 fr-FR
+.\create_language_template.ps1 ja-JP
+.\create_language_template.ps1 ko-KR
+.\create_language_template.ps1 ru-RU
+.\create_language_template.ps1 zh-CN