Update readme, add python-decouple as a related project (theskumar#451)

kcarnold · web-flow · commit 87e5527fcff3 · 2023-02-24T11:53:26.000+05:30
I usually use dotenv, but I learned about this alternative from libhunt. It seems to have similar goals. (I'll probably stick with dotenv.)
diff --git a/README.md b/README.md
@@ -231,6 +231,7 @@ defined in the following list:
 -   [environs](https://github.com/sloria/environs)
 -   [dynaconf](https://github.com/rochacbruno/dynaconf)
 -   [parse_it](https://github.com/naorlivne/parse_it)
+-   [python-decouple](https://github.com/HBNetwork/python-decouple)
 
 ## Acknowledgements
 
