test(migrate): migrate test tooling from chai + mocha to vitest

[fazzaamiarso]

test(migrate): migrate test tooling from chai + mocha to vitest

Fixes #194

Description of changes:

• Migrate test tooling to Vitest
• Migrate test files to typescript

Tag a reviewer: @ayoayco

Tasks:

• I have ran the build command to make sure apps are working: npm run build
• I have ran the tests to make sure nothing is broken: npm run test
• I have ran the linter to make sure code is clean: npm run lint
• I have reviewed my own code to remove changes that are not needed

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[ayoayco]

Wow this is great @fazzaamiarso let me just run through the changes. But already with pipelines passing I think this is very good!

[ayoayco]

Merging this! Thanks so much @fazzaamiarso -- this is great progress for the project! 🚀