fix: serve static file from local fs when on dev (fix #176)

config/fs.go

@@ -0,0 +1,14 @@
+package config
+
+import (
+	"io/fs"
+	"os"
+)
+
+// ChooseFS returns a local (DirFS) file system when on 'dev' environment and the given go-embed file system otherwise
+func ChooseFS(localDir string, embeddedFS fs.FS) fs.FS {
+	if Get().IsDev() {
+		return os.DirFS(localDir)
+	}
+	return embeddedFS
+}