style + fixes + md preview added

lua/plugins/preview.lua

@@ -0,0 +1,12 @@
+return {
+	{
+		"toppair/peek.nvim",
+		event = { "VeryLazy" },
+		build = "deno task --quiet build:fast",
+		config = function()
+			require("peek").setup()
+			vim.api.nvim_create_user_command("PeekOpen", require("peek").open, {})
+			vim.api.nvim_create_user_command("PeekClose", require("peek").close, {})
+		end,
+	},
+}