Add an alternative

Author: MortalKastor

react-native-libraries.json

@@ -3271,7 +3271,8 @@
     "android": true,
     "fireos": true,
     "vegaos": "@amazon-devices/react-native-cookies__cookies",
-    "newArchitecture": false
+    "newArchitecture": false,
+    "alternatives": ["@preeternal/react-native-cookie-manager"]
   },
   {
     "githubUrl": "https://github.com/souvik-ghosh/react-native-create-thumbnail",