add multicursor plugin

lua/custom/plugins/twilight.lua

@@ -0,0 +1,26 @@
+return {
+	"folke/twilight.nvim",
+	opts = {
+		-- your configuration comes here
+		-- or leave it empty to use the default settings
+		-- refer to the configuration section below
+		dimming = {
+			alpha = 0.25, -- amount of dimming
+			-- we try to get the foreground from the highlight groups or fallback color
+			color = { "Normal", "#ffffff" },
+			term_bg = "#000000", -- if guibg=NONE, this will be used to calculate text color
+			inactive = false,  -- when true, other windows will be fully dimmed (unless they contain the same buffer)
+		},
+		context = 10,        -- amount of lines we will try to show around the current line
+		treesitter = true,   -- use treesitter when available for the filetype
+		-- treesitter is used to automatically expand the visible text,
+		-- but you can further control the types of nodes that should always be fully expanded
+		expand = { -- for treesitter, we we always try to expand to the top-most ancestor with these types
+			"function",
+			"method",
+			"table",
+			"if_statement",
+		},
+		exclude = {}, -- exclude these filetypes
+	}
+}