added macro indicator to lualine

lua/plugins/ui/lualine.lua

@@ -36,7 +36,18 @@ return {
 				},
 			},
 			sections = {
-				lualine_a = { "mode" },
+				lualine_a = {
+					"mode",
+					{
+						function()
+							local reg = vim.fn.reg_recording()
+							if reg == "" then
+								return ""
+							end -- not recording
+							return "MACRO " .. string.upper(tostring(reg))
+						end,
+					},
+				},
 				lualine_b = { "branch", "diff", "diagnostics" },
 				lualine_c = { "filename" },
 				lualine_x = { "filetype" },