[TASK]: Migrate @cloudoperators/juno-oauth to TypeScript

[barsukov]

Task Description

We need to convert @cloudoperators/juno-oauth to TypeScript

Sub-tasks

• Integrate Lint with typescript config(look to juno-communicator package as example)
• Integrate tsconfig.json from config package
• Integrate vitest for testing
• Integrate vite for bundling things up
• Delete old rollup/esbuild/babel
• Makes tests green integrate in example app.
• Update readme

Related Issues

• [EPIC] (setup) Integrate typescript to juno core #119

Additional Context
Look to already existing configuration in juno-communicator