Update README - Google's crawler
Update README - Google's crawler

Google's crawler doesn't support Proxy and thus JS will throw when it crawls an app running MobX 5+. This leads to poor or non-existant indexation, disturbances in the Google Developer Console (can't crawl as Google, or use features that really on a successful crawl).

I think it's worth mentioning here because it can be a bigger problem than just not supporting IE11 and old Node versions for some people.
mobxjs/mobx,mobxjs/mobx,mweststrate/MOBservable,mobxjs/mobx,mweststrate/MOBservable,mweststrate/MOBservable,mobxjs/mobx