[TASK] Drop resname as it was decided in the TYPO3 Core

See merge request !53

See https://forge.typo3.org/issues/105647

Feature 5168 unify root page selector

See merge request !55

[BUGFIX] Generate valid xliff 1.2 files

Closes #68

See merge request !52

Resolves: #68

LFEditor generate a configuration with 'comment' language entry

Closes #77

See merge request !50

[TASK] Format code

See merge request !49

Executed commands:
- composer require --dev typo3/coding-standards
- composer require --dev friendsofphp/php-cs-fixer
- composer require --dev symplify/easy-coding-standard
- .Build/bin/php-cs-fixer fix
- .Build/bin/ecs check --fix
- composer remove --dev typo3/coding-standards
- composer remove --dev friendsofphp/php-cs-fixer
- composer remove --dev symplify/easy-coding-standard

[TASK] List all required TYPO3 extensions and PHP extensions in composer.json

See merge request !48

[TASK] Add .editorconfig, .gitattributes and .phpstorm.meta.php

See merge request !47

[TASK] Improve fluid formatting

See merge request !46

[TASK] Improve global search form

See merge request !43