Add Deployer to maml

Author: antonmedv

index.md

@@ -106,6 +106,7 @@ Follow [the specification](/spec/v0.1) for creating new implementations.
 * [google/zx](https://github.com/google/zx) – A tool for writing better scripts
 * [Envi](https://envi.codecompose.dev) – Environment file management
 * [Tachi Code](https://tachicode.dev) – Browser-native code editor
+* [Deployer](https://deployer.org) – A deployment tool for PHP
 
 <sub>[Add your project too](https://github.com/maml-dev/maml.dev/discussions/new?category=general&title=New%20project:%20)</sub>