Update node.js.yml

[simasgrilo]

Description and Context

Adding a CI/CD pipeline for the homepage app in order to have a smooth deployment experience whenever the repo is changed to GitHub pages (given that the workflow execution is successful)

Type of Change:

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ X ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Refactor / internal changes (changes do not affect functionality, but are an improvement to the codebase)

Screenshots

Not applicable

Checklist

• [ ] I added tests to cover my changes
• [x] All new and existing tests are passing
• [ ] I formatted and linted the code according to repo specs
• [ ] I rebased changes with main so that they can be merged easily
• [ ] I have updated the documentation accordingly (if applicable)

[simasgrilo]

remember to create PR branch with the same deployment branch name (or add the branch name in the 'Environments' tab for the repo. this addresses issue #1 but with GitHub actions