Update README.md (microsoft#205)

Update README.md (microsoft#205)

Update README.md (microsoft#205)

Add SDK/version as User-Agent in HTTPClients (microsoft#204)

* Add SDK+version as user-agent in HttpClients for C#/JS/Python/Rust

Format and modify tests accordingly

* Address comments

Capitalize AssemblyVersion, use cs instead of C#

* Lowercase SDK

* Update version

* Rm outdated

Cleanup csharp project (microsoft#137)

* Clean csharp projects

* Fix relative path to README

Prepare source drop of SDKs (microsoft#50)

* Prepare source drop of SDKs

* Get the latest CS SDK update

* Fix link

* Remove empty test

* Pick up foundry-chat project at 822bd658

* Move samples around

* Move the sample back next to the SDK for now

* Make cloud vs. local a bit more configurable.  Just a start.

Include launch.json for debugging

remove keys

* fixup dynamic model selector and do general code cleanup

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Co-authored-by: Cory Hendrixson <[email protected]>