feat: implement SequentialPipeline with threading and WebSocket support

Added the `SequentialPipeline` class for structured augmentation execution. Integrated threading capabilities via the `THREADED` execution mode in `augmentationPipeline`. Enhanced WebSocket support for real-time data processing through pipelines.

src/types/augmentations.ts

@@ -48,6 +48,9 @@ export interface IAugmentation {
   shutDown(): Promise<void>
 
   getStatus(): Promise<'active' | 'inactive' | 'error'>
+
+  // Allow string indexing for dynamic method access
+  [key: string]: any;
 }
 
 /**