PHP 5.3 CS-Fixer config rules

1.0.0 - 2020-08-18

Added

• The CoiSA PHP CS Fixer configuration and PhpCsFixer::create() factory with Finder-based source selection.
• Opinionated formatting and risky rules, plus optional PHPDoc headers with %year% substitution.
• Composer dependencies on PHP >=5.3 and PHP CS Fixer >=2.2.