Chore(web-twig): Ignore tests and stories from exported package

[literat]

Description

Fixing configuration of the web-twig-bundle package which includes tests and stories and this should not happen.

Additional context

Thanks @janicekt for this notice.

You can reproduce the package archive by running git archive --format=tar.gz -o web-twig-test.tar.gz HEAD in packages/web-twig.

Issue reference

https://jira.lmc.cz/browse/DS-969

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Before submitting the PR, please make sure you do the following

• Read the Contributing Guidelines.
• Follow the PR Title/Commit Message Convention.
• Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. fixes #123).
• Ideally, include relevant tests that fail without this PR but pass with it.

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[coveralls]

coverage: 70.887%. remained the same when pulling 5a59921 on chore/web-twig-ignore-tests-export into b63bf9e on main.