Enhancement: Event loop init short form

[mml5bg]

Describe your changes

Event loop init has been replaced with short form.

Issue ticket number and link

https://github.com/eclipse-velocitas/vehicle-app-python-sdk/issues/39

Checklist - Manual tasks

• [x] Examples are executing successfully
• [ ] Created/updated unit tests. Code Coverage percentage on new code shall be >= 80%.
• [ ] Created/updated integration tests.
• [ ] Devcontainer can be opened successfully
• [ ] Devcontainer can be opened successfully behind a corporate proxy
• [ ] Devcontainer can be re-built successfully
• [ ] Extended the documentation (e.g. README.md, CONTRIBUTING.md, Velocitas)