[FIXED] Missing CSS/JS when generating without singleFile #744

[Chrahuldeveloper]

Description

fixed the issue by adding copyAsset calls and ensuring outputDir is defined inside the Index function, everything now generates correctly for both modes.

Related issue(s)
#744

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 No release type found in pull request title "[FIXED] Missing CSS/JS when generating without singleFile #744". Add a prefix to indicate what kind of release this pull request corresponds to. For reference, see https://www.conventionalcommits.org/

Available types:
 - feat: A new feature
 - fix: A bug fix
 - docs: Documentation only changes
 - style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
 - refactor: A code change that neither fixes a bug nor adds a feature
 - perf: A code change that improves performance
 - test: Adding missing tests or correcting existing tests
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 - chore: Other changes that don't modify src or test files
 - revert: Reverts a previous commit

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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