(Attempt to) Use current buffer in title of rabbit window

lua/rabbit-buffers/init.lua

@@ -49,7 +49,7 @@ local get_buffers = function()
 end
 
 function M.evt.RabbitEnter()
-	M.opts.plugin_opts["buffers"] = { window = { title = vim.fn.bufname() } }
+	M.opts = { window = { title = vim.fn.bufname() } }
 	get_buffers()
 end