This patch introduces the following commands:
- `npx playwright docker build` that builds a VRT docker image
locally that is based off the `mcr.microsoft.com/playwright:jammy`
- `npx playwright docker start` that launches a docker container with
browsers.
- `npx playwright docker stop` that stops given docker container.
- `npx playwright docker test` that runs all the tests inside a
launched docker container.
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