Update stac.rst

[bertt]

Overview

Related Issue / Discussion

Additional Information

Contributions and Licensing

(as per https://github.com/geopython/pygeoapi/blob/master/CONTRIBUTING.md#contributions-and-licensing)

• I'd like to contribute [feature X|bugfix Y|docs|something else] to pygeoapi. I confirm that my contributions to pygeoapi will be compatible with the pygeoapi license guidelines at the time of contribution.
• I have already previously agreed to the pygeoapi Contributions and Licensing Guidelines

[tomkralidis]

Thanks @bertt for the PR!

Before we merge, can you update the PR description with the PR template (https://github.com/geopython/pygeoapi/blob/master/.github/PULL_REQUEST_TEMPLATE.md) (this would have been the default text to fill in the contributor agreement). Thanks

[bertt]

ok done good like this?

[tomkralidis]

Thanks, works!