refactor: 后端包结构重构、去除无用的文件

server/pkg/config/redis.go

@@ -0,0 +1,8 @@
+package config
+
+type Redis struct {
+	Host     string `yaml:"host"`
+	Port     int    `yaml:"port"`
+	Password string `yaml:"password"`
+	Db       int    `yaml:"db"`
+}