* WIP add SKAgent to proj
* Fix Unit test
* Remove accidental coommit
* Add version props
* Revert Kludge test changes
* PR comments : executionSettings and use / upgrade SemanticKernelExperimentalVersion
* Add back deleted api and constructor, mark as Obsolete
* PR feedback : Introduce SemanticKernelChatCompletionAgent. Add unit tests and refactor semanticKernelChatMessageContentConnector to be SkSequentialChatMessageContentConnector.cs
* Revert SkSequentialChatMessageContentConnector
* PR comments, remove systemMessage in SemanticKernelChatCompletionAgent
* Fix formatting
* Fix bad merge
* Revert "Fix bad merge"
This reverts commit a189ad9f42.
* Remove accidental commit
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Co-authored-by: luongdavid <luongdavid@microsoft.com>