feature(nx-plugin): adds playwright executor and generators

[bsunderhus]

Adds playwright for component test according to documentation

1. executor:
   • playwright (if testingType === component then execute task manually, otherwise delegate to @nx/playwright)
2. generators:
   • playwright-component-configuration (as per https://nx.dev/nx-api/react/generators/cypress-component-configuration)
   • component-playwright-spec (as per https://nx.dev/nx-api/react/generators/component-cypress-spec)