fix: module resolution in notebook extension (microsoft#506)

Fixes microsoft#446

Author: connor4312

generators/app/templates/ext-notebook-renderer/src/client/tsconfig.json

@@ -5,6 +5,7 @@
     "noEmit": true,
     "rootDir": ".",
     "module": "esnext",
+    "moduleResolution": "bundler",
     "lib": ["ES2019", "dom"],
     "types": ["webpack-env", "vscode-notebook-renderer"],
   }