Turn the build script into an executable

Author: natewiebe13

bin/build.php bin/build

@@ -1,3 +1,4 @@
+#!/usr/bin/env php
 <?php
 
 function getSvgAttributes(string $svg): array

composer.json

@@ -42,6 +42,7 @@
         "npm-asset/feather-icons": "4.26.0"
     },
     "scripts": {
+        "build": "bin/build",
         "test": "phpunit --verbose tests"
     }
 }