refactor: migrate frontend tooling to vite 4 (#2645)

---------

Co-authored-by: Oleg Lobanov <oleg@lobanov.me>

http/headers_dev.go

@@ -0,0 +1,15 @@
+//go:build dev
+// +build dev
+
+package http
+
+// global headers to append to every response
+// cross-origin headers are necessary to be able to
+// access them from a different URL during development
+var globalHeaders = map[string]string{
+	"Cache-Control":                    "no-cache, no-store, must-revalidate",
+	"Access-Control-Allow-Origin":      "*",
+	"Access-Control-Allow-Headers":     "*",
+	"Access-Control-Allow-Methods":     "*",
+	"Access-Control-Allow-Credentials": "true",
+}