fix: pack lambda with node_modules

[Perry2004]

No description provided.

[Copilot]

Pull Request Overview

This PR fixes the lambda packaging process to include node_modules dependencies in the deployment bundle. The change ensures that runtime dependencies are available when the lambda function executes.

• Modified GitHub Actions workflow to copy both dist and node_modules to a build directory
• Added build directory to gitignore to exclude it from version control

Reviewed Changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
scripts/.gitignore	Added build/ directory to ignore list
.github/workflows/build-lambda.yaml	Updated packaging process to include node_modules in lambda zip

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