I'd like to change the favicon of https://poletea.miraheze.org/wiki/Main_Page to this: https://poletea.miraheze.org/wiki/File:PoleteaLogo.png

I'd also like to change the logo in the top of the left sidebar to this: https://poletea.miraheze.org/wiki/File:PoleteaLogo.png

Thank you!