SmartChange workflow validators and post functions

\uD83D\uDCD8 Validators

1. SmartChange - SAP transports imported

   1. Validates imports on the configured SAP TM levels and its return code.

   2. Parameters:

      1. SAP TM level name (optional)

      2. Check last import for error (RC >= 8) (optional)

2. SmartChange - TM transport level and status

   1. Validates if TM transport is on a level or status.

   2. Parameters:

      1. SAP TM level name (mandatory)

      2. Status (TM status)

3. SmartChange - User is logged into the SAP system

   1. Validates if the user is logged into the SAP system.

   2. Parameters:

      1. Error message (optional, default one is:)

\uD83D\uDCD8 Post functions

1. SmartChange - SAP transport approval (beta)

   1. Approve or revoke SAP transport requests.