Support Local Storage

[ddrechse]

New Feature / Enhancement Checklist

• [x ] I am not disclosing a vulnerability.
• [ x] I am not just asking a question.
• [ x] I have searched through existing issues.

Current Limitation

Support saveEventually() when using the Flutter SDK.
Support the ability for offline Storage

Feature / Enhancement Description

Currently, as I understand it, saveEventually is only supported in Android and IOS sdk
I assume they use proprietary local storage APIs

Flutter has the capability to also support local Storage based on the following post
https://santhosh-adiga-u.medium.com/using-local-storage-in-flutter-874721dfe4ca

Example Use Case

When using the flutter sdk, I am able to call saveEventually and utilize offline Storage for when my app is not connected to the backend

Alternatives / Workarounds

None

[parse-github-assistant]

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[mbfakourii]

Duplicate and in progress