Duplicate examples dags in Task SDK examples

[sunank200]

Description

Initially we thought of move the tutorials (dags, tasks, taskflow etc etc.) from apache-airflow-core to task-sdk docs but later with discussion with @cmarteepants we have decided to cross-link the example dags.

Initial discussion while creating this issue: https://github.com/apache/airflow/pull/51153#issuecomment-2934367579

The task-sdk/docs/examples.rst file currently re-implements large swaths of the TaskFlow tutorial prose found in airflow-core/docs/tutorial/taskflow.rst.

Use case/motivation

No response

Related issues

https://github.com/apache/airflow/issues/51283

Are you willing to submit a PR?

• [x] Yes I am willing to submit a PR!

Code of Conduct

• [x] I agree to follow this project's Code of Conduct