agents-wg

Creates an initial repository structure following the Transport WG's format and migrates existing meeting notes and accepted SEPs to it. This does not yet include a charter as that counts as new information worthy of discussion/review. That will be PR'd separately (after I write up a draft). Motivation and Context Sets up the basic space for others to contribute to. Types of changes [ ] Bug fix (non-breaking change which fixes an issue) [ ] New feature (non-breaking change which adds functionality) [ ] Breaking change (fix or feature that would cause existing functionality to change) [x] Documentation update Checklist [x] I have read the MCP Documentation [x] My code follows the repository's style guidelines [x] New and existing tests pass locally [x] I have added appropriate error handling [x] I have added or updated documentation as needed Additional context