feat: add basic worker pool

pkg/platform.go

@@ -1,6 +1,9 @@
 package synchronizator
 
-import "slices"
+import (
+	"fmt"
+	"slices"
+)
 
 // Utility struct to represent a collection of nodes, it's a [Node] itself so all
 // the node's functionality is available.
@@ -10,6 +13,26 @@ type Platform struct {
 }
 
 func (platform *Platform) FetchCollections(fetcher Fetcher, start_pagination Pagination) error {
+	square := func(value int) int {
+		return value * value
+	}
+
+	manager := createWorkerPool[int](5, square)
+
+	err := manager.AddWork(5)
+	if err != nil {
+		return err
+	}
+
+	for value := range manager.GetWorkUnit() {
+		fmt.Printf("%v: Concurrent value: %v \n", start_pagination.Offset, value)
+	}
+
+	err = manager.AddWork(45)
+	if err != nil {
+		return err
+	}
+
 	collections, pagination, err := fetcher(start_pagination)
 	if err != nil {
 		return err