docs(core): add continuous task to task pipeline and project config pages

[jaysoo]

This PR adds information about continuous option for tasks. Also removes references to Nx <16 examples on the project configuration page.

Preview:

• https://nx-dev-git-docs-continuous-tasks-nrwl.vercel.app/recipes/running-tasks/defining-task-pipeline#continuous-task-dependencies
  • Add a section on continuous task and links to the project configuration reference page (below)
• https://nx-dev-git-docs-continuous-tasks-nrwl.vercel.app/reference/project-configuration#continuous
  • Add section on continuous task with example of e2e -> serve dependency
  • Add a callout on dependsOn section for continuous/long-running tasks (long-running is mentioned so it appears in the search)
  • Remove Nx <16 examples

TODO:

• Update PDV that show e2e and serve targets

[vercel]

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Name	Status	Preview	Updated (UTC)
nx-dev	✅ Ready (Inspect)	Visit Preview	Apr 29, 2025 6:34pm

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☁️ Nx Cloud last updated this comment at 2025-04-29 18:32:09 UTC