add typenv into configuration category
@@ -317,6 +317,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
* [onion](http://github.com/goraz/onion) - Layer based configuration for Go, Supports JSON, TOML, YAML, properties, etcd, env, and encryption using PGP.
* [store](https://github.com/tucnak/store) - Lightweight configuration manager for Go.
* [swap](https://github.com/oblq/swap) - Instantiate/configure structs recursively, based on build environment. (YAML, TOML, JSON and env).
+* [typenv](https://github.com/diegomarangoni/typenv) - Minimalistic, zero dependency, typed environment variables library.
* [viper](https://github.com/spf13/viper) - Go configuration with fangs.
* [xdg](https://github.com/OpenPeeDeeP/xdg) - Cross platform package that follows the [XDG Standard](https://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html).
