Windows Installer Multi-Language Support

[JWJUN233233]

The language of Windows installer is always English. I hope let user choose language

[kuiperzone]

I'm not sure I can easily support this in PupNet. If advanced customization is required, it is perhaps more appropriate to configure Inno directly.

[kuiperzone]

For reference: #28

[JWJUN233233]

@kuiperzone i can't wait any more!