Elementary icon types

• none - Icon has no type set
• file - Icon is of type file
• standard - Icon is of type standard

enum @extern Elm.Icon.Type {
    none: 0,
    file,
    standard
}

typedef enum {
    ELM_ICON_NONE = 0,
    ELM_ICON_FILE,
    ELM_ICON_STANDARD
} Elm_Icon_Type;