Add echo-swagger/v2 for Echo v5 compatibility

internal/server/routes.go

@@ -10,6 +10,7 @@ import (
 	"github.com/a-h/templ"
 	"github.com/labstack/echo/v5"
 	"github.com/labstack/echo/v5/middleware"
+	echoSwagger "github.com/swaggo/echo-swagger/v2"
 )
 
 //	@Title			MusicServer API
@@ -52,8 +53,8 @@ func (s *Server) RegisterRoutes() http.Handler {
 
 	e.Static("/", "/frontend")
 
-	// Swagger UI - TODO: Update for Echo v5
-	// e.GET("/swagger/*", echoSwagger.WrapHandler)
+	// Swagger UI
+	e.GET("/swagger/*", echoSwagger.WrapHandler)
 
 	index := NewIndexHandler()
 	e.GET("/version", index.GetVersion)