chore: frontend DirFS for development

frontend/assets.go

@@ -1,3 +1,5 @@
+// +build !dev
+
 package frontend
 
 import "embed"

frontend/assets_dev.go

@@ -0,0 +1,14 @@
+// +build dev
+
+package frontend
+
+import (
+	"io/fs"
+	"os"
+)
+
+var assets fs.FS = os.DirFS("frontend")
+
+func Assets() fs.FS {
+	return assets
+}