feat: update conn in hub

internal/agent/rpc/client.go

@@ -0,0 +1,32 @@
+package rpc
+
+import (
+	"fmt"
+
+	pb "github.com/lorsanstand/HomeOps-Hub/api/gen/homeops"
+	"google.golang.org/grpc"
+)
+
+type Connection struct {
+	hub  pb.HubClient
+	conn *grpc.ClientConn
+}
+
+func NewConnectAgent(address string) (*Connection, error) {
+	conn, err := grpc.NewClient(address)
+	if err != nil {
+		return nil, fmt.Errorf("failed connection hub: %v", err)
+	}
+
+	client := pb.NewHubClient(conn)
+
+	return &Connection{hub: client, conn: conn}, nil
+}
+
+func (c *Connection) Close() error {
+	return c.conn.Close()
+}
+
+func (c *Connection) Hub() pb.HubClient {
+	return c.hub
+}