Create basic JS example for playwright w/config

[dequejenn]

Create a simple test in playwright w/config in javascript that already has Watcher integrated into it. When run, the test should result in a few accessibility errors. Verify these results make it up to developer hub and are expected and consistent before closing this ticket.

[SantoshDeque]

Verified with latest watcher-examples repo(https://github.com/dequelabs/watcher-examples.git), basic JS example for is added(playwright-test/basic) and is working as expected.

https://github.com/dequelabs/watcher-examples/assets/45222788/da300393-9973-4d07-9e01-48d62bdcadd7

Mutliple commits:

https://axe.dequelabs.com/axe-watcher/projects/b67c6bcd-1334-4fb2-8f20-87991431f04b/branches/main/commits

Multiple Branches:

https://axe.dequelabs.com/axe-watcher/projects/b67c6bcd-1334-4fb2-8f20-87991431f04b/branches

Environment:

Label	Value
Server URL	https://axe.dequelabs.com/
Server version	4.82.0
@axe-core/watcher version	2.0.0-next.eb000163