- Added a new entry point in JavaScript to handle zero-copy streaming uploads to R2.
- Updated the Rust backend to support the new upload route with JWT validation.
- Enhanced the API to generate full URLs for the new azure-upload endpoint.
- Introduced new dependencies: `futures-util` and `wasm-streams` for improved async handling.
- Implemented functionality to create, upload, download, and delete attachments associated with ciphers.
- Introduced a new `attachments` module and updated the database schema to include an `attachments` table.
- Enhanced the API routes to handle attachment operations, including legacy support.
- Updated the README and configuration files to reflect the new attachment feature and its usage.
