refactor: restructure in entirety

cmd/server/main.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"billit/internal/server"
+	"billit/web"
 )
 
 func gracefulShutdown(apiServer *http.Server, done chan bool) {
@@ -39,7 +40,7 @@ func gracefulShutdown(apiServer *http.Server, done chan bool) {
 
 func main() {
 
-	server := server.NewServer()
+	server := server.NewServer(web.Files)
 
 	// Create a done channel to signal when the shutdown is complete
 	done := make(chan bool, 1)
@@ -47,6 +48,7 @@ func main() {
 	// Run graceful shutdown in a separate goroutine
 	go gracefulShutdown(server, done)
 
+	log.Printf("Server is starting on %s", server.Addr)
 	err := server.ListenAndServe()
 	if err != nil && err != http.ErrServerClosed {
 		panic(fmt.Sprintf("http server error: %s", err))