Project structure refactor:

- Change package name general_server to gateway
- Changing the structure of directories and packages
- Adding vendor to the project

internal/server/gateway/init.go

@@ -0,0 +1,44 @@
+package gateway
+
+import (
+	"errors"
+	"log/slog"
+
+	"github.com/akyaiy/GoSally-mvp/internal/engine/config"
+)
+
+// GeneralServerInit structure only for initialization general server.
+type GatewayServerInit struct {
+	Log    *slog.Logger
+	Config *config.Conf
+}
+
+// InitGeneral initializes a new GeneralServer with the provided configuration and registered servers.
+func InitGateway(o *GatewayServerInit, servers ...ServerApiContract) *GatewayServer {
+	general := &GatewayServer{
+		servers: make(map[serversApiVer]ServerApiContract),
+		cfg:     o.Config,
+		log:     o.Log,
+	}
+
+	// register the provided servers
+	// s is each server implementing GeneralServerApiContract, this is not a general server
+	for _, s := range servers {
+		general.servers[serversApiVer(s.GetVersion())] = s
+	}
+	return general
+}
+
+// GetVersion returns the API version of the GeneralServer, which is "general".
+func (s *GatewayServer) GetVersion() string {
+	return "general"
+}
+
+// AppendToArray adds a new server to the GeneralServer's internal map.
+func (s *GatewayServer) AppendToArray(server ServerApiContract) error {
+	if _, exist := s.servers[serversApiVer(server.GetVersion())]; !exist {
+		s.servers[serversApiVer(server.GetVersion())] = server
+		return nil
+	}
+	return errors.New("server with this version is already exist")
+}