* Code refactor

* update code format

* Add options package reference

* Rename need retry processor

* update unit tests

* Improve ICapPublisher to singleton.

* Support options pattern for MySqlOptions

* Support options pattern for PostgreSqlOptions

* Remove reference

* update namespace of SubscriberNotFoundException.cs

* update ut

* Support options pattern for CapOptions

* update version to 2.6.0

* Support options pattern for AzureServiceBusOptions

* Fix client listening bug

* update inmemory project to using  option pattern.

* Support options pattern for KafkaOptions.

* Support options pattern for MongoDbOptions.

* Fix options.

* Support options pattern for SqlServerOptions

* upgrade confluent kafka to 1.1.0

* Remove CastleCoreTest project, it is not need again

* Fix transaction dispose.

* Fix mock

* Fix mock

* Improve the implementation mechanism of queue mode. #96

* refactor the code .

* add Copyright & License description into header text of code files.

* refactor

* set version to 2.2.0

* update unit tests.

* add exception class to process the publish send and subscriber exectution exception

* modify first retry time to three.

* code refactor.

* add retry mechanism

* code refactor

* refactor consumer execution

* fix spell error

* remove dashboard  `processing ` content.

* Modify the retry to retry the message only 4 minutes ago.

* update samples

* update ci configuration.

* Improve the implementation mechanism of queue mode. #96

* refactor the code .

* add Copyright & License description into header text of code files.

* refactor

* set version to 2.2.0

* update unit tests.

* add exception class to process the publish send and subscriber exectution exception

* modify first retry time to three.

* code refactor.

* add retry mechanism

* code refactor

* refactor consumer execution

* fix spell error

* remove dashboard  `processing ` content.

* Modify the retry to retry the message only 4 minutes ago.

* update samples

* update ci configuration.