fix(angular): add exports to package.json in the ng-packagr-lite executor

[skrtheboss]

Add exports to the package.json to ensure sub entry-points are accessible.

Current Behavior

ng-packager-lite does not add exports to the package.json.

Expected Behavior

ng-packager-lite should add exports to the package.json.

Related Issue(s)

Fixes #

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✅ Successfully ran 11 targets

• nx affected --target=e2e --base=ab0075254a44c0995968594be8fc179c7a1de361 --head=435576e84eb8e2901d5545105bbdc8edbe248f33 --exclude=e2e-storybook,e2e-react-native,e2e-detox --parallel=1
• nx affected --target=test --base=ab0075254a44c0995968594be8fc179c7a1de361 --head=435576e84eb8e2901d5545105bbdc8edbe248f33 --parallel=1
• nx affected --target=build --base=ab0075254a44c0995968594be8fc179c7a1de361 --head=435576e84eb8e2901d5545105bbdc8edbe248f33 --parallel=3
• nx affected --target=lint --base=ab0075254a44c0995968594be8fc179c7a1de361 --head=435576e84eb8e2901d5545105bbdc8edbe248f33 --parallel=3
• nx-cloud record -- yarn nx workspace-lint
• nx-cloud record -- yarn documentation
• nx build typedoc-theme
• nx-cloud record -- yarn depcheck
• nx-cloud record -- yarn check-commit
• nx-cloud record -- yarn nx format:check --base=ab0075254a44c0995968594be8fc179c7a1de361 --head=435576e84eb8e2901d5545105bbdc8edbe248f33
• nx-cloud record -- yarn check-imports

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1 Ignored Deployment

Name	Status	Preview	Updated
nx-dev	⬜️ Ignored (Inspect)		Jun 8, 2022 at 8:28AM (UTC)

[leosvelperez]

Awesome! Thanks for the contribution!

LGTM 🎉

[github-actions]

This pull request has already been merged/closed. If you experience issues related to these changes, please open a new issue referencing this pull request.