If this is somehow the end of democracy here, it wasn't Trump's election that killed it. One election alone (or two if you believe both terms were the cause) couldn't likely kill an otherwise healthy democracy. Democracy would have been dead for my of my lifetime if this is the moment it becomes clear that its gone.
That said, I very much dislike Trump and would rather have an empty oval office (arguably we have that already), but I think his threat to democracy has been wildly overblown. Unless a rogue president throws out the book entirely, Congress would have to be the ones to actually get rid of most of our democratic processes and systems.