Fix: an other way to make typescript happy with imagetools url import

[SrGeneroso]

I've give a deep search into the imagetools // @ts-ignore thing in the config/site.ts

I've found a workaround in this post: JonasKruckenberg/imagetools#160 (comment)

I have barely a little experience with typescript, so please test it for yourself.

Hope it helps.

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[kwchang0831]

I have read through JonasKruckenberg/imagetools#160 (comment).

I will leave it open for now since it is not critically affecting functionality.
I will look into it more later when I get other more important stuff done.