IEnumerable support in StaticGenerator

[Boshi Lian]

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    // public List<string>? MyList { get; set; }
    public IEnumerable<string>? MyList { get; set; }

allow IEnumerable/IReadOnlyList/IList in StaticGenerator

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[Edward Cooke]

In addition to those interfaces, I’m adding collection and ireadonlydictionary. The code is complete and working. Just need stable WiFi.

[Edward Cooke]

This is released and working now.