Adjust config names to per minute

pkg/http/rate_limiter.go

@@ -6,9 +6,9 @@ type RateLimiter struct {
 	ticker *time.Ticker
 }
 
-func NewRateLimiter(apiRateLimitPerSecond int) *RateLimiter {
+func NewRateLimiter(rateLimitPerMinute int) *RateLimiter {
 	return &RateLimiter{
-		ticker: time.NewTicker(time.Second / time.Duration(apiRateLimitPerSecond)),
+		ticker: time.NewTicker(time.Minute / time.Duration(rateLimitPerMinute)),
 	}
 }