add playright setup + migrate a few tests in example app

Co-authored-by: Fredrik Adelöw <freben@gmail.com>
Co-authored-by: Johan Haals <johan.haals@gmail.com>
Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

.gitignore

@@ -150,6 +150,9 @@ tsconfig.tmp.json
 # vscode database functionality support files
 *.session.sql
 
+# E2E test reports
+e2e-test-report/
+
 # Lighthouse CI Reports
 **/.lighthouseci/*
 !**/.lighthouseci/scripts