This is probably a long shot - and I'm sure you'll see quite a few posts like this over the coming weeks - but I'm going to swallow my pride and ask nonetheless. I've been a data entry clerk for the past twenty years, working for a major bookmaker in Northern Ireland. With the coronavirus pandemic hitting recently, many businesses have decided to lay off large numbers of staff. I've just become one of the unfortunate…
It was quite a while ago now, but I got into software from almost the exact same place you're in now: I'd been laid off in my previous career, and I needed a job really bad. I'd been hacking stuff on the side, and I used that as my resume. I found that Stack Overflow Jobs had a lot of remote options, as well as sites like We Work Remotely. It's worth applying to a handful of companies and writing a good cover letter just telling them your story and how excited you are to move into software. I think you'll be successful.
Best of luck!