Update to mPDF 8

Add all mPDF options to config

Remove HTML chunking

changed tempDir

fixed invalid json

added a note about auto-discovery

release version 2.0.0

- feat: update to mpdf version 7
- feat: update config support and custom fonts
- docs: update documentation for 2.0

release version 1.5.0 (Laravel 5.4 compatibility)

- fix: argument error with Laravel 5.4

release version 1.4.3

- fix: additional watermark parameters don't work

release version 1.4.2

- docs: update config.php example in readme.md