Add auth, rest api, svelte frontend, build structure

internal/handlers/admin.go

@@ -0,0 +1,33 @@
+package handlers
+
+import (
+	"html/template"
+	"log/slog"
+	"net/http"
+
+	"git.clustercockpit.org/moebiusband/go-http-skeleton/web"
+	"github.com/olivere/vite"
+)
+
+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,
+			IsDev: false,
+		})
+		if err != nil {
+			http.Error(w, "Error instantiating vite fragment", http.StatusInternalServerError)
+			return
+		}
+
+		data := web.PageData{
+			Title: "Admin",
+			Vite:  viteFragment,
+		}
+		if err := tpl.ExecuteTemplate(w, "base", data); err != nil {
+			http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+			slog.Error("Error executing template", "error", err)
+		}
+	}
+}