added echo utility

lua/catppuccin/utils/echo.lua

@@ -0,0 +1,21 @@
+local TITLE = "Catppuccin"
+
+return function(msg, level)
+    local has_notify_plugin = pcall(require, "notify")
+
+	if level == "error" then
+		level = vim.log.levels.ERROR
+	elseif level == "warn" then
+		level = vim.log.levels.WARN
+	else
+		level = level or vim.log.levels.INFO
+	end
+
+    if has_notify_plugin then
+        vim.notify(msg, level, {
+            title = TITLE,
+        })
+    else
+        vim.notify(("[%s] %s"):format(TITLE, msg), level)
+    end
+end