https://github.com/elastic/kibana/pull/101216 adds a new ECS mapper feature to the Ingest Pipelines UI. This makes some related changes:
* Updates the doc link anchor text for the **Create pipeline from CSV** page to "CSV to pipeline docs".
* Updates the doc link for the **Create pipeline from CSV** page to link to a related tutorial.
* Updates the doc link for the **Create pipeline** page to link to the ingest pipeline docs. Previously, this linked to the create pipeline API docs, which aren't particularly relevant.
* extract docLinks service to a package
* adapt unit tests for docLinks service
* initial server-side docLinks implementation
* add server-side service mock
* fix internal mocks
* update generated doc
* add unit tests for server-side service
* adapt server mocks
* update links due to rebase
* add base tests for new package
* update links from merge
* set kibana-docs team as owners for new package
* split concrete and type import
* update tsdoc
* update links due to merge
* update generated doc