@Lexialex @demonkind It should be, but right now if you want to add a table you pretty much have to get an IKEA flatpack and build it first.
I understand that @gargron and the other developers are working on this, but until web hosting providers provide "one-click" installs for Mastodon the way Dreamhost provides them for stuff like WordPress, you'll need some sysadmin skills to set up your own instance.