Add workflow displatch

Author: wazabii8

.github/workflows/php.yml

@@ -1,10 +1,11 @@
-name: PHP Composer
+name: PHP Unitary
 
 on:
   push:
     branches: [ "main" ]
   pull_request:
     branches: [ "main" ]
+  workflow_dispatch:
 
 permissions:
   contents: read
@@ -29,8 +30,5 @@ jobs:
     - name: Install dependencies
       run: composer install --prefer-dist --no-progress
 
-    # Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
-    # Docs: https://getcomposer.org/doc/articles/scripts.md
-
     - name: Run test suite
       run: php vendor/bin/unitary