chore: add mailtest tool and local config template

config.toml

@@ -0,0 +1,38 @@
+[app]
+name = "super-todo"
+env = "dev"
+http_addr = ":8080"
+
+[database]
+url = "postgres://todo:todo@localhost:5432/todo?sslmode=disable"
+
+[auth]
+secret = "dev-secret-change-me"
+access_token_ttl_minutes = 15
+refresh_token_ttl_hours = 168
+
+[redis]
+addr = "localhost:6379"
+password = ""
+db = 0
+
+[kafka]
+brokers = ["localhost:29092"]
+topic = "todo.tasks"
+
+[mail.smtp]
+host = "smtp.qq.com"
+port = 465
+username = "2914037183@qq.com"
+password = "daxnelwgfaraddbi"
+from = "2914037183@qq.com"
+use_tls = true
+
+[notification]
+enabled = true
+timezone = "Asia/Shanghai"
+
+[notification.schedule]
+daily_summary_cron = "0 30 9 * * *"
+overdue_reminder_cron = "0 0/30 * * * *"
+