test: Add basic playwright tests opening examples

[juliusknorr]

• test: Add basic playwright tests opening examples

E2E_BASE_URL=http://localhost:8080 npm run test:headed

[moodyjmz]

I get Cannot GET /example/

Not sure which issue is 128

[juliusknorr]

I get Cannot GET /example/

I assume you were using an older base image or the example was not started in yours. You can check with running supervisorctl start ds-example in the container to start https://github.com/Euro-Office/DocumentServer/blob/main/build/configs/supervisor/ds-example.conf