Introduced `pluginLoader.ts` to enable loading and configuring augmentation plugins from external packages. Added `examples/externalPlugins.js` to demonstrate usage. Enhanced storage status reporting in `opfsStorage` and `BrainyData` with detailed storage capacity and usage methods. Updated README with an external plugin usage guide.
Introduced an optional `requestPersistentStorage` flag to enable persistent storage permission requests in the browser. Updated `OPFSStorage` to include methods for requesting and checking persistent storage status, and modified `createStorage` to handle the new flag.
Refactored `fileSystemStorage` to dynamically import `fs` and `path` modules, improving compatibility with various environments. Updated initialization logic to set paths post-import. Added error handling for failed imports and enhanced type annotations for better maintainability.
