feat(utils.ts): create isObjectEmpty function

src/utils.ts

@@ -97,6 +97,13 @@ function isNumberFrom1To100(value: unknown): boolean {
   return z.coerce.number().int().gte(1).lte(100).safeParse(value).success;
 }
 
+function isObjectEmpty(obj: object): boolean {
+  for (const prop in obj) {
+    if (Object.hasOwn(obj, prop)) return false;
+  }
+  return true;
+}
+
 export {
   bech32ToPubkey,
   dedupeEvents,
@@ -104,6 +111,7 @@ export {
   findTag,
   isNostrId,
   isNumberFrom1To100,
+  isObjectEmpty,
   isURL,
   type Nip05,
   nostrDate,