Asking for advice on showing kindness to a nearby mosque

Assalamu alaikum, everyone. I'm living in the southwest UK, where there aren't many Muslims around but unfortunately, there's no shortage of prejudice. Coming from west London, I really miss the cultural diversity there. I had some Muslim friends when I was younger and even visited a mosque on a school trip once, but I'm not deeply knowledgeable about Islam's details. So, I'm hoping for some guidance. Given the tough political environment here in the UK right now, it's clear that being Muslim can be really hard. I want to extend a hand of friendship and community to the small mosque near my house. As an outsider to the faith, I'm a bit unsure about the proper etiquette. What would be a considerate gesture? I think of the mosque as a central place for the local Muslim community, so maybe providing some basic things like toilet paper, cleaning supplies, or bottled water could help? Is that a good idea, or is there something more fitting? I do know to avoid offering anything with alcohol or non-halal food, and to dress modestly and only interact with someone of my own gender. I'm not certain if the local mosque follows those rules strictly, but I definitely don't want to accidentally offend anyone. JazakAllah khair for your help.