Middleware and PSR-7 support

Author: snapshotpl

README.md

@@ -41,6 +41,8 @@ Integrations with other frameworks:
   - [Zend Framework 2](https://github.com/snapshotpl/ZfSnapPhpDebugBar)
   - [Phalcon](https://github.com/snowair/phalcon-debugbar)
 
+Support for framework-agnostic middleware and PSR-7 with [php-middleware/phpdebugbar](https://github.com/php-middleware/phpdebugbar).
+
 *(drop me a message or submit a PR to add your DebugBar related project here)*
 
 ## Installation