docs: added clarifications on how long it takes to build the db, and copy to clipboard button

[Aquafina-water-bottle]

Still waiting on MigMigg#3393's response to make sure the first change is accurate. See: https://discord.com/channels/617136488840429598/1060781077955887195/1084977146994360351 It seems like more than one person have run-times over 20 minutes, so I put a warning saying it make take over half an hour.