Update. Add svelte admin frontend

internal/handlers/admin.go

@@ -1,6 +1,7 @@
 package handlers
 
 import (
+	"fmt"
 	"html/template"
 	"log/slog"
 	"net/http"
@@ -13,11 +14,12 @@ func AdminHandler() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		tpl := template.Must(template.ParseFS(web.Templates, "templates/admin.html", "templates/base.html"))
 		viteFragment, err := vite.HTMLFragment(vite.Config{
-			FS:    web.StaticAssets,
+			FS:    web.DistFS(),
 			IsDev: false,
 		})
 		if err != nil {
-			http.Error(w, "Error instantiating vite fragment", http.StatusInternalServerError)
+			msg := fmt.Errorf("error instantiating vite fragment: %v", err)
+			http.Error(w, msg.Error(), http.StatusInternalServerError)
 			return
 		}