[1.4.0] Laravel mix v6, improvements & bug fixes

What's Changed

Fixed

• Unable to find assets with external cssBaseUrl and jsBaseUrl. Thanks to @amayer-hc (#36)

Updated

• Laravel mix to v6. Thanks to @glennforrest (#33)
• CakePHP dependency to 4.3, in order to remove deprecation warnings in routes.php file. Thanks to @Andream98 (#37)

New Contributors

• @glennforrest made their first contribution in #33
• @amayer-hc made their first contribution in #36

Full Changelog: 1.3.1...1.4.0