[MCP SDK] Complete MCP protocol

[chr-hertel]

There are a few things we should add support for

• Completion
• Batch requests Support batching #8
• Pagination Add support for pagination #6
• Resource Templates
• Authentication
• Resumability and Redelivery
• Client
  • Sampling
  • Roots

Please announce yourself before starting to work on one of these.

[ineersa]

Resource Templates

I'm planning to work on this one during this week, will open PR little bit later.