Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/api/websocket/cmd/main.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"os"
+	"strconv"
+
+	"github.com/explorer/backend/api/websocket"
+)
+
+func main() {
+	server := websocket.NewServer()
+
+	go server.Start()
+
+	http.HandleFunc("/ws", server.HandleWebSocket)
+
+	port := 8081
+	if envPort := os.Getenv("WS_PORT"); envPort != "" {
+		if p, err := strconv.Atoi(envPort); err == nil {
+			port = p
+		}
+	}
+
+	log.Printf("Starting WebSocket server on :%d", port)
+	log.Fatal(http.ListenAndServe(":"+strconv.Itoa(port), nil))
+}
+