Implement PHP CS Fixer and a coding standard to follow (#471)

* Create PHP CS Fixer config and add to CI workflow

* Run php cs fixer on project

* Add newline at end of file

* Update to use PHP CS Fixer v3

* Run v3 config on project

* Run seperate config in CI

database/factories/CompanyFactory.php

@@ -23,7 +23,7 @@ class CompanyFactory extends Factory
     {
         return [
             'unique_hash' => str_random(60),
-            'name' => $this->faker->name
+            'name' => $this->faker->name,
         ];
     }
 }