[Plugin: Faceted Search] I really need few changes also i can pay for it :/

hi im finally found what im looking for but i need few changes for my site i dont have high budget but i can pay for your effort please help!

i saw in this support forum a friend edited this plugin like this: https://www.dmngoodtimes.com/ (right side bar)
Simply multiselect categories and filter but stylish ??
i need same thing and i need so bad :)))

Like i said i can send 20$ for your effort but all i can do..

i cant coding and editing ??
Thanks.

https://www.ads-software.com/extend/plugins/faceted-search/