feat: productionize learning engine and classroom

OpenMAIC/lib/courseware-repo/bundle-store.ts

@@ -10,7 +10,8 @@ import path from 'path';
 import { assertCoursewareId, assertCoursewareVersion, resolveDirectChildPath } from './identity';
 
 export const COURSEWARE_BUNDLES_DIR =
-  process.env.COURSEWARE_BUNDLE_DIR ?? path.join(process.cwd(), 'data', 'courseware-bundles');
+  process.env.COURSEWARE_BUNDLE_DIR ??
+  path.join(process.env.LEARNING_DATA_DIR ?? path.join(process.cwd(), 'data'), 'courseware-bundles');
 
 export interface BundleByteStore {
   save(coursewareId: string, version: number, bytes: Uint8Array): Promise<string>;