2.1.2 Bugfix release - Better checks for json decode, allow to append data in data processors, add linting for typoscript and yaml

Bugfixes:

• better checks for json decode (if it's really needed) also unit tests for method which responsible for decoding (thanks @twoldanski!)
• add custom DatabaseQueryProcessor (thanks @sabbelasichon)
• allow to append "data" in data processing (useful in chaining data processors)
• typoscript linting
• yaml linting
• json linting (thanks @iprokhorov for linting tasks!)

2.1.1 Bugfix release - configurable cropVariant, fix to svg files, allow to remove data, move to github actions

Bugfixes:

• make cropVariant configurable
• don't process svg files in FilesUtility
• allow to remove data by processingConfiguration flag
• only modify lastTypolinkUrl when EXT:Headless is really used (!)

also, we moved from travis CI to github actions (thanks @sabbelasichon)

Thanks goes to:
@sabbelasichon
@twoldanski
@theLine
@subjacked

Feature release - frontend domain in view module and preview, image processing bugfixes

Feature

• add frontend base url and use it in page preview and view module, via feature switch
• allow to set image processing configuration in files processor

Bugfixes

• crop images without resizing
• gallery not calculating row width correctly

Thanks to @oskardydo for first contribution

2.0.3 Bugfix release, tests for content elements, ignore negative colPos values

• add test for content elements
• ignore negative colPos values
• update TYPO3 dependencies to cover v10LTS

Thanks go to @sven-carstens and @schloram.

2.0.2 bugfix release, fix output of non-cached plugins, add tests

• Add extra encoding step for content which was put into the output via INT_SCRIPT replacement to enable rendering of non-cached plugins
• Add functional and unit tests
• Add missing PSR-12 rule to code style check.
  Special thanks go to @sven-carstens and @GrahamCampbell for their contributions!

2.0.1 bugfix release, file cobject, shortcut and image processing

• Make fileUtility handle File object
• Change shortcut content element configuration
• Remove double image processing

2.0 release - media, error handling, refactoring

• youtube and vimeo support
• refactored dataproviders
• changed keys for BE layout fields
• improve metadata handling
• add definition for core content elements
• Error handling for 'no rendering definition'
• PSR12 coding standards
• improved documentation
• add pagination service
• add viewhelpers usefull for integrating 3rd party extensions like EXT:news

Note that this release contains several breaking changes in API structure.

First release 1.0.0

Features

• JSON API for content elements
• JSON API for navigation, layouts
  taking into account all language/translation configuration (e.g. fallback)
• support for EXT:news
• easily extensible with custom fields or custom CE's