Updated SDK version and README with all the changes.
Added missing ContractError enum type in ImmutableExceptionType
Before merging
[x] For Immutable developers: Do the changes in this PR require documentation updates? Please refer to this SDK documentation guide and list links to documentation update PRs (they don't have to be merged) below (or write N/A):
Summary
ContractError
enum type inImmutableExceptionType
Before merging
N/A
):