Temporal general services module.

WIP. Module will provide following Temporal services:

• reset_workflow_execution

• terminate_workflow_execution

• delete_workflow_execution

• scan_workflow_executions

• count_workflow_executions

• describe_task_queue

• get_cluster_info

• get_system_info

• list_task_queue_partitions

• 'UpdateWorkflowExecution'

• 'PollWorkflowExecutionUpdate'

• 'UpdateActivityOptions'

• 'UpdateWorkflowExecutionOptions'

• 'PauseActivity'

• 'UnpauseActivity'

• 'ResetActivity'

• 'ExecuteMultiOperation'

• 'CreateWorkflowRule'

• 'DescribeWorkflowRule'

• 'DeleteWorkflowRule'

• 'ListWorkflowRules'

• 'TriggerWorkflowRule'