Add Wildberries product fetching and rate limiting functionality

internal/config/redis.go

@@ -0,0 +1,23 @@
+package config
+
+import "os"
+
+type RedisConfig struct {
+	Host     string
+	Port     string
+	Password string
+	Addr     string
+}
+
+func LoadRedisConfig() *RedisConfig {
+	host := os.Getenv("REDIS_HOST")
+	port := os.Getenv("REDIS_PORT")
+	password := os.Getenv("REDIS_PASSWORD")
+	addr := os.Getenv("REDIS_ADDR")
+	return &RedisConfig{
+		Host:     host,
+		Port:     port,
+		Password: password,
+		Addr:     addr,
+	}
+}