Fix mortgage calculator demo error Cannot load native addon because loading addons is disabled

[sequba]

Context

• open demo in StackBlitz env instead of CodeSandbox
• change the demo runner from parcel to vite

How did you test your changes?

check that the new link in the readme works

Types of changes

• Breaking change (a fix or a feature because of which an existing functionality doesn't work as expected anymore)
• New feature or improvement (a non-breaking change that adds functionality)
• Bug fix (a non-breaking change that fixes an issue)
• Additional language file, or a change to an existing language file (translations)
• Change to the documentation

Related issues:

1. Fixes [Bug]: Mortgage demo in readme does not work #1480

Checklist:

• I have reviewed the guidelines about Contributing to HyperFormula and I confirm that my code follows the code style of this project.
• I have signed the Contributor License Agreement.
• My change is compliant with the OpenDocument standard.
• My change is compatible with Microsoft Excel.
• My change is compatible with Google Sheets.
• I described my changes in the CHANGELOG.md file.
• My changes require a documentation update.
• My changes require a migration guide.

[github-actions]

Performance comparison of head (81e1dd5) vs base (94dd0db)

                                     testName |   base |   head | change
------------------------------------------------------------------------
                                      Sheet A | 515.36 | 517.05 | +0.33%
                                      Sheet B | 169.99 | 168.11 | -1.11%
                                      Sheet T | 146.51 | 148.89 | +1.62%
                                Column ranges | 519.35 |  518.2 | -0.22%
Sheet A:  change value, add/remove row/column |  14.88 |   14.5 | -2.55%
 Sheet B: change value, add/remove row/column | 140.74 | 132.86 | -5.60%
                   Column ranges - add column |  156.2 | 158.86 | +1.70%
                Column ranges - without batch | 457.36 | 456.81 | -0.12%
                        Column ranges - batch | 117.66 |  114.5 | -2.69%

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.22%. Comparing base (94dd0db) to head (81e1dd5).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1486   +/-   ##
========================================
  Coverage    97.22%   97.22%           
========================================
  Files          169      169           
  Lines        14523    14523           
  Branches      3080     3080           
========================================
  Hits         14120    14120           
  Misses         403      403