feat: add rate limit to worker pool

pkg/platform.go

@@ -3,6 +3,7 @@ package synchronizator
 import (
 	"fmt"
 	"slices"
+	"time"
 )
 
 // Utility struct to represent a collection of nodes, it's a [Node] itself so all
@@ -27,7 +28,10 @@ func (platform *Platform) FetchCollections(fetcher Fetcher, start_pagination Pag
 		return collections, nil
 	}
 
-	manager := createWorkerPool[int, []*Collection](5, fetchWrapper)
+	// 5 request per minute
+	rate_limit := NewRateLimit(5, time.Minute)
+
+	manager := createWorkerPool[int, []*Collection](5, rate_limit, fetchWrapper)
 
 	// TODO: get number of page dynamically and change Fetcher signature
 	pages := 4