Add framework for conceptual docs (modelcontextprotocol#708)

Add framework for conceptual docs plus article on elicitation

Co-authored-by: Stephen Halter <halter73@gmail.com>

Update MEAI version and add regression test for modelcontextprotocol#601

. (modelcontextprotocol#628)

Bump version to 0.3.0-preview.2

Bump version number to 0.3.0 (modelcontextprotocol#534)

Don't conflate request and response IDs in Streamable HTTP transports (…

…modelcontextprotocol#475)

Update documentation of McpJsonUtilities.DefaultOptions. (modelcontex…

…tprotocol#463)

Remove internal GetBase64Data helper (modelcontextprotocol#422)

This can now just use DataContent.Base64Data.

Clean up namespaces (modelcontextprotocol#410)

No meaningful code changes, just lots of namespace shuffling to have fewer namespaces and to put things in better namespaces.

Update to latest M.E.AI version (modelcontextprotocol#401)

Remove batching support from StreamableHttpServerTransport (modelcont…

…extprotocol#372)