Added Automated Test On PR pipeline

[silky-x0]

Automate running Node.js tests on every pull request

Description

This PR implements automated testing for FEAScript examples using GitHub Actions, providing immediate feedback when changes break existing examples.

Closes #32

Changes

Added

• GitHub Actions Workflow (.github/workflows/scripts-test.yml)
  • Automatically runs all Node.js examples on every push to main and pull request
  • Tests across multiple Node.js versions (18.x and 20.x)
  • Excludes generalFormPDEScript example (as it's not yet fully integrated)

Key Features

✅ Automated Test Execution

• Discovers and runs all .js files in the examples/ directory
• Each example runs with a 5-minute timeout to prevent hanging
• Fail-fast disabled to test all Node versions even if one fails

✅ Comprehensive Logging

• Captures all output (stdout/stderr) to .log files for each example
• Shows output preview (first 5 lines) for passed tests
• Displays error details (last 20 lines) for failed tests directly in workflow logs

✅ Detailed Reporting

• Visual indicators (▶ ✓ ✗) for test status
• Summary statistics: total/passed/failed counts
• Lists all failed examples at the end
• Fails the workflow if any example fails

✅ Debug Support

• Uploads log files as artifacts when tests fail
• Artifacts retained for 7 days for troubleshooting
• Provides exit codes for failed examples

Examples Tested

The workflow automatically runs these examples:

• examples/frontPropagationScript/SolidificationFront2D.js
• examples/solidHeatTransferScript/HeatConduction1DWall.js
• examples/solidHeatTransferScript/HeatConduction2DFin.js
• examples/solidHeatTransferScript/HeatConduction2DFinGmsh.js

Note: generalFormPDEScript is excluded.

Checklist

• Workflow file created in .github/workflows/
• Tests run on both Node.js 18.x and 20.x
• Excluded generalFormPDEScript as requested
• Added timeout protection (5 minutes per example)
• Implemented comprehensive logging with output capture
• Added artifact upload for failed test logs

[nikoscham]

Nice work @silky-x0. It will help catch issues early. Thanks a lot for the contribution.