Sorry guys, I'm trying to attach error logs (.txt files) to a post to submit for some help, but I cannot see anywhere on the editor a button to attach a file - only share a link or image url. I know I'm being super dumb here, but please pity me and tell me how I can attach a file? I see other posts have done it, so I know that I'm the problem here, but I just can't find the right button.