ng22 migration skill: expose the kept NgModule, and drop a remoteEntry query

[amaechiabuah]

Two fixes to the duplo-extension-ng22-migration skill, found migrating duploai-extension-eks-upgrade (its PR #9).

What

• Step 2 now repoints exposes at the kept NgModule. The step copies helloworld's federation.config.js verbatim, but helloworld has been modernized to standalone components, so it exposes ./src/app/extension.routes.ts. Step 5 keeps the extension's extension.module.ts, and an extension coming off Angular 15 has no extension.routes.ts, so the build failed at config load with FsPath: …/src/app/extension.routes.ts does not exist. Step 2 now changes the exposed path along with the container name.
• Step 7 now drops a ?v= cache-buster from remoteEntry. The substitution only matched a manifest ending in /remoteEntry.js". eks-upgrade's ended in remoteEntry.js?v=0.6.118, so it matched nothing, and the gate then requires remoteEntry to end in /remoteEntry.json. The substitution now takes an optional query, and a grep confirms the edit landed.

Docs only. No script or sample changes.

How it was verified

• Both commands, extracted from the edited file, run against helloworld's federation.config.js and eks-upgrade's pre-migration manifest. The config ends up exposing ./src/app/extension.module.ts, and remoteEntry.js?v=0.6.118 becomes /remoteEntry.json.
• The eks-upgrade migration that used these two changes built, passed verify-remote-federation.js, and released as eks-upgrade-v0.7.0-sdk-1.0.6.