Update config with server configuration

structures/structures.go

@@ -21,6 +21,18 @@ type ProxyServer struct {
 	Address string
 }
 
+type WebServerConfig struct {
+	Address string
+	APIKey  string
+	Timeout int // In seconds
+}
+
+type WorkerServerConfig struct {
+	Address              string
+	WorkersCount         int
+	RequestMessagePrefix string
+}
+
 type ClientConfig struct {
 	ConnectionsCount     int
 	ConnectionTimeout    int // In seconds