Merge pull request #206 from picqer/interface

Add a RendererInterface

Merge pull request #205 from picqer/background-colors

Add support for background colors

Merge pull request #198 from picqer/v3

V3

Fix phpstan errors

Merge pull request #189 from picqer/phpstan

Add static analysis with phpstan

Merge pull request #187 from mbaschnitzi/type-annotations-psalm

Fix phpdoc type case for usage with vimeo/psalm

Update Readme.md

Merge pull request #186 from picqer/itf14-improvements

ITF-14 improvements

Add itf14 test file

Update Readme.md