Check all file paths #77

There are several variations used to specify file paths in the mmlc project. Check all

• written and generated file / dir paths
• file / dir paths sections
• file / dir paths containing in variables
• ...

Filenames MUST NOT begin with a /.

• 🚫 /filename.php
• ✅ filename.php

Directory names MUST NOT begin with a / and MUST end with a /

• 🚫 /dir
• 🚫 /dir/
• 🚫 dir
• ✅ dir/
• 🚫 /dir/foo
• 🚫 /dir/foo/
• 🚫 dir/foo
• ✅ dir/foo/

⚠️ Only a absolut path starts with a /