Add support utility for performing Transactions

[PatilShreyas]

Summary

• This PR adds a utility function that supports performing SQL transactions with ease.
• Fixed typo of a filename DataSourceExtensions.kt (Earlier its name was DataSoruceExtensions.kt).

Example Usage

Refer to the following example for the usage of transaction:

val result = dataSource.executeTransaction { connection ->
    val user = FindUserByIdQuery().query(connection, FindUserByIdParams(id))

    AddUserItemOneCommand().command(connection, AddUserItemOneParams(item1, user.id))
    AddUserItemTwoCommand().command(connection, AddUserItemTwoParams(item2, user.id))
}

// Check whether transaction is successful
val isSuccessful = result.isSuccessful

// Retrieve transaction result
val viewCount = result.get() // or `result.getOrNull()` to retrieve safely.

// Retrieve exception (if it's failed)
val error = result.errorOrNull()

Checklist

• My changes are not breaking the existing functionality of the app.
• I've tested the new feature on the actual environment.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

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