ADD: added basic backend function plus a mockup for a cli interface

backend/cmd/server/main.go

@@ -1,12 +1,23 @@
 package main
 
 import (
-	"studia/internal/server"
-
 	"log"
+	"studia/internal/config"
+	"studia/internal/server"
 )
 
 func main() {
+
+	cfg := config.New()
+
+	cfg.DatabaseHost = "192.168.178.171"
+	cfg.DatabasePort = "5432"
+	cfg.DatabaseUser = "admin"
+	cfg.DatabasePassword = "12345678"
+	cfg.DatabaseName = "studia"
+
+	log.Println("Configuration loaded:", cfg)
+
 	log.Println("Starting server...")
-	server.StartServer()
+	server.StartServer(cfg)
 }