fix: Missing source maps

[nam-hle]

Resolve #202.

[coveralls]

Pull Request Test Coverage Report for Build 1658436226

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 1541457912:	0.0%
Covered Lines:	423
Relevant Lines:	423

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💛 - Coveralls

[github-actions[bot]]

:tada: This PR is included in version 6.7.6 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: