docs(authors)📝: add @gcamargo2 to the list of contributors in AUTHORS.md

- Included @gcamargo2 with a link to their contributions.

Author: ericmjl

AUTHORS.md

@@ -78,6 +78,7 @@ Contributors
 - [@gjlynx](https://github.com/gjlynx) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/pulls?utf8=%E2%9C%93&q=is%3Aclosed+mentions%3Agjlynx)
 - [@aopisco](https://github.com/aopisco) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/pulls?utf8=%E2%9C%93&q=is%3Aclosed+mentions%3Aaopisco)
 - [@gaworecki5](https://github.com/gaworecki5) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/pulls?utf8=%E2%9C%93&q=is%3Aclosed+mentions%3Agaworecki5)
+- [@gcamargo2](https://github.com/gcamargo2) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/pulls?utf8=%E2%9C%93&q=is%3Aclosed+mentions%3Agcamargo2)
 - [@puruckertom](https://github.com/puruckertom) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/pulls?utf8=%E2%9C%93&q=is%3Aclosed+mentions%3Apuruckertom)
 - [@thomasjpfan](https://github.com/thomasjpfan) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/pulls?utf8=%E2%9C%93&q=is%3Aclosed+mentions%3Athomasjpfan)
 - [@jiafengkevinchen](https://github.com/jiafengkevinchen) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/pulls?utf8=%E2%9C%93&q=is%3Aclosed+mentions%3Ajiafengkevinchen)
@@ -117,4 +118,4 @@ Contributors
 - [@derekpowell](https://github.com/derekpowell) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%3Aderekpowell)
 - [@emmanuel-ferdman](https://github.com/emmanuel-ferdman) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%3Aemmanuel-ferdman)
 - [@tomjemmett](https://github.com/tomjemmett) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%3Atomjemmett)
-- [@Kevin-Smith77](https://github.com/Kevin-Smith77) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%3AKevin-Smith77)
+- [@Kevin-Smith77](https://github.com/Kevin-Smith77) | [contributions](https://github.com/pyjanitor-devs/pyjanitor/issues?q=is%3Aclosed+mentions%3AKevin-Smith77)