PR-4962: Error cases changes (#11)

* feat: added new error code convention

* feat: major version bump

* Trigger Build

* Trigger Build

PR-4406: Expose encryptCard func and Card struct (#8)

* feat: exposed encrypt card function

* refactor: renaming encryptCard to encryptCardData

* PR-4469: support drop in config schema (#9)

* feat: support for dropIn initialization config

* fix: relax vaultConfiguration required fields

* feat: version bump to 0.2.0

Merge pull request #3 from payrails/PR-3031-fix-instrument-response

PR-3031: Remove storeInstrument field in instrument response

Merge pull request #1 from payrails/PR-2360-create-cse-ios-sdk-with-n…

…ew-client-side-encryption-flow

PR-2360: Create cse ios sdk