feat: add php-cs-fixer and git hooks

.gitignore

@@ -6,4 +6,5 @@ composer.phar
 # You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file
 # composer.lock
 tests/Credentials.php
-report
+coverage
+.php_cs.cache

.php_cs.php

@@ -0,0 +1,23 @@
+<?php
+
+$finder = \PhpCsFixer\Finder::create()
+    ->in(__DIR__)
+    ->exclude([
+        'bootstrap',
+        'storage',
+        'vendor'
+    ])
+    ->name('*.php')
+    ->notName('*.blade.php')
+    ->notName('_ide_helper*.php')
+    ->ignoreDotFiles(true)
+    ->ignoreVCS(true);
+
+return \PhpCsFixer\Config::create()
+    ->setRules([
+        '@PSR2' => true,
+        'array_syntax' => ['syntax' => 'short'],
+        'ordered_imports' => ['sortAlgorithm' => 'alpha'],
+        'no_unused_imports' => true,
+    ])
+    ->setFinder($finder);

composer.json

@@ -22,10 +22,20 @@
         "php": "^7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.5",
-        "nesbot/carbon": "^2.10"
+        "phpunit/phpunit": "^8.2",
+        "nesbot/carbon": "^2.20",
+        "friendsofphp/php-cs-fixer": "^2.15",
+        "brainmaestro/composer-git-hooks": "^2.7"
     },
     "scripts": {
-        "test": "vendor/bin/phpunit"
+        "test": "@php vendor/bin/phpunit",
+        "coverage": "@php vendor/bin/phpunit --coverage-html coverage",
+        "format": "@php vendor/bin/php-cs-fixer fix --config .php_cs.php"
+    },
+    "extra": {
+        "hooks": {
+            "pre-commit": "composer format",
+            "pre-push": "composer format"
+        }
     }
 }