Add composer commands for generating coverage reports via Herd

Author: marcusmoore

.gitignore

@@ -47,6 +47,7 @@ storage/private_uploads/users/*
 tests/_data/scenarios
 tests/_output/*
 tests/_support/_generated/*
+tests/coverage/*
 /npm-debug.log
 /storage/oauth-private.key
 /storage/oauth-public.key

composer.json

@@ -120,7 +120,9 @@
     ],
     "post-create-project-cmd": [
       "php artisan key:generate"
-    ]
+    ],
+    "coverage:herd:clover": "herd coverage vendor/bin/phpunit --coverage-clover tests/coverage/clover.xml",
+    "coverage:herd:html": "herd coverage vendor/bin/phpunit --coverage-html tests/coverage/html"
   },
   "config": {
     "preferred-install": "dist",