add a slugify tool

[wc-matteo]

it would create a url safe path from a string. It should convert accented letters to non-accented ones (e.g. è => e). Like this: https://www.npmjs.com/package/@sindresorhus/slugify

[CorentinTh]

Done !
It's live : https://it-tools.tech/slugify-string

[wc-matteo]

amazing! It'd be nice if you could choose the separator character as well .-.

[sharevb]

Hi @CorentinTh and @wc-matteo, separator implemented in PR #1232