[NEW TOOL] unescape json

[brentcetinich]

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What tool do you want? Example: Unescape json

Describe the solution you'd like Given escaped JSON text, unescape it

Is their example of this tool in the wild? https://github.com/yuvraj-arch/json-scape-unscape-vscode

Additional context Some systems give escaped json which is tough to deal with, it would be handy to just paste it in here and get normlized json

[sharevb]

Hi @CorentinTh and @brentcetinich , implemented in #966