implement FromStr and Display for Color
#2937
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Currently the
Colortype has only a non-standardparsemethod to parse from its string representation, and method to display the color in its string representation is missing.This PR implements
FromStrandDisplaytraits from the standard library using the original implementation of theparsemethod. This allows users to parse and display colors in an easier way, and makes it possible for stuff like#[serde_as(as = "DisplayFromStr")].