feat: create model for server config

- introduce GoTomatoServerConfig
- create instance variable with the current config
- update server to use configurable listen address and port

🤖

cmd/server/main.go

@@ -1,16 +1,25 @@
 package server
 
 import (
+	"fmt"
 	"git.smsvc.net/pomodoro/GoTomato/internal/websocket"
+	"git.smsvc.net/pomodoro/GoTomato/pkg/models"
 	"log"
 	"net/http"
 )
 
+var serverConfig = models.GoTomatoServerConfig{
+	ListenAddress: "0.0.0.0",
+	ListenPort:    8080,
+}
+
 func Start() {
+	listen := fmt.Sprintf("%s:%d", serverConfig.ListenAddress, serverConfig.ListenPort)
+
 	http.HandleFunc("/ws", websocket.HandleConnections)
 
-	log.Println("Pomodoro WebSocket server started on :8080")
-	err := http.ListenAndServe(":8080", nil)
+	log.Printf("Pomodoro WebSocket server started on %s\n", listen)
+	err := http.ListenAndServe(listen, nil)
 	if err != nil {
 		log.Fatalf("Error starting server: %v", err)
 	}