feat(configuration): add sealed-env

Author: davidalmeidac

README.md

@@ -299,6 +299,7 @@ _Libraries that provide external configuration._
 - [KAConf](https://github.com/mariomac/kaconf) - Annotation-based configuration system for Java and Kotlin.
 - [microconfig](https://microconfig.io) - Configuration system designed for microservices which helps to separate configuration from code. The configuration for different services can have common and specific parts and can be dynamically distributed.
 - [owner](https://github.com/lviggiano/owner) - Reduces boilerplate of properties.
+- [sealed-env](https://github.com/davidalmeidac/sealed-env) - Encrypts environment files with a shared Node.js and Java/Spring Boot format plus optional TOTP unsealing.
 
 ### Constraint Satisfaction Problem Solver