[Service Bus] Allow users to configure the retry options

[ramya-rao-a]

As part of shipping a Track 2 for Service Bus that follows the Typescript Guidelines, each user facing operation which is async should support retries. These retries should be configurable by the user. Towards this, we will allow the retry configuration in the below apis

• creation of QueueClient, TopicClient and SubscriptionClient
  • The retry options set at this level are used by the sender/receiver if none are set when creating sender/receiver
• creation of sender
  • The retry options set at this level will be used by all the operations on the sender
• creation of receiver
  • The retry options set at this level will be used by all the operations on the receiver

Use the Event Hubs library in this repo as reference if needed. The retry options will consist of

• number of retries to make
• delay between retries
• mode: exponential or fixed
• timeout for each try