add estela_sales_engineering transcript file

[SangamSwadiK]

Type of contribution

• [x] Other

Reference: Issue or Pull Request (PR)

Towards #75

Description: What does this implement/fix? Explain your changes.

Adds transcripts file for upcoming event Estela Sales engineering

Checklist

• [x] Did you review the CONTRIBUTING GUIDE

Any other comments?

None

cc @reshamas

[reshamas]

@SangamSwadiK Let's rename this file to: 2023/75-estela-sales.md

[reshamas]

Thanks @SangamSwadiK