Migrated from anthropics/office-agent. Provides /setup, /manifest, /consent,
/update-user-attrs, and /debug commands for M365 admins provisioning the
Claude Office add-in with direct cloud access (Vertex AI, Bedrock, or an
LLM gateway).
- Created partner-built/ directory for plugins maintained by data partners
- Moved lseg/ and spglobal/ into partner-built/
- Updated marketplace.json source paths
- Added Partner-Built Plugins section to README
- Replace all fsi-plugins-dev/anthropic-experimental references with
anthropics/financial-services-plugins
- Update marketplace.json name
- Clean up IB README to reflect actual skills in that plugin
(removed cross-references to equity-research and financial-analysis skills)