Clarify Import instructions for sql package

User is asking how to import sql package and references the following page:
https://docs.influxdata.com/flux/v0.x/stdlib/sql/

The sql import instructions are there at the top of the page but maybe we need to add more clarification in the text. Something like "To import the sql package use the following command..."

New user feedback!
Page: https://docs.influxdata.com/flux/v0.x/stdlib/sql/
Feedback: Where and how to import

Start with the Flux SQL standard-library page at https://docs.influxdata.com/flux/v0.x/stdlib/sql/ and read its existing import instructions and user feedback. Locate the page source in the docs-v2 repository, clarify where and how to import the sql package, and confirm that the published page answers the reported question.

Written by the indexing model from the issue text.