update: make things work with the new package system

lib/config.go

@@ -0,0 +1,33 @@
+package lib
+
+import (
+	"encoding/json"
+	"os"
+)
+
+type Config struct {
+	Pools []Pool `json:"pools"`
+}
+
+func (c *Config) Load(list *[]Package, file string) error {
+	var (
+		content []byte
+		err     error
+	)
+
+	if content, err = os.ReadFile(file); err != nil {
+		return err
+	}
+
+	if err = json.Unmarshal(content, c); err != nil {
+		return err
+	}
+
+	for _, p := range c.Pools {
+		if err = p.Load(list); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}