Ivy aparrently not support properly

[ctaepper]

Even though @DanielKucal is stating that the latest version supports Ivy, Angular seems to think otherwise. It uses ngcc on this library and logs a "encouragement"

> ngcc --properties es2020 browser module main && node ./decorate-angular-cli.js

Processing legacy "View Engine" libraries:
- ngx-store [module/esm2015] (https://github.com/zoomsphere/ngx-store.git)
- ngx-store [main/umd] (https://github.com/zoomsphere/ngx-store.git)
Encourage the library authors to publish an Ivy distribution.