Update jetpack security crypto to version 1.1.0-alpha02

- bump kotlin version to 1.4.10

- bump agp version to 4.0.1
- update README.md

Support null value on storeString

support storing null on storeString

EncryptedSharedPreferences Integration

• Integrate EncryptedSharedPreferences
• Refractor getObject and getListObject using inline and reifined

First Release

Release functionality for storing data in SharedPreferences