Unify number of newlines in loaders (#43)

Author: gharlan

src/BaselinePerIdentifierFormatter.php

@@ -120,7 +120,7 @@ public function formatErrors(
         }
 
         $plurality = $totalErrorsCount === 1 ? '' : 's';
-        $prefix = "# total $totalErrorsCount error$plurality\n";
+        $prefix = "# total $totalErrorsCount error$plurality\n\n";
         $writtenLoader = file_put_contents($this->baselinesDir . '/loader.neon', $prefix . NeonHelper::encode(['includes' => $includes], $this->indent));
 
         if ($writtenLoader === false) {

src/Handler/NeonBaselineHandler.php

@@ -45,7 +45,7 @@ public function encodeBaselineLoader(
         string $indent
     ): string
     {
-        $prefix = $comment !== null ? "# $comment\n" : '';
+        $prefix = $comment !== null ? "# $comment\n\n" : '';
         return $prefix . NeonHelper::encode(['includes' => $filePaths], $indent);
     }
 

src/Handler/PhpBaselineHandler.php

@@ -69,7 +69,7 @@ public function encodeBaselineLoader(
         $php = "<?php declare(strict_types = 1);\n\n";
 
         if ($comment !== null) {
-            $php .= "// $comment\n";
+            $php .= "// $comment\n\n";
         }
 
         $php .= "return ['includes' => [\n";

tests/Rule/data/baselines-neon/loader.neon

@@ -1,4 +1,5 @@
 # total 4 errors
+
 includes:
     - another.identifier.neon
     - missing-identifier.neon

tests/Rule/data/baselines-php/loader.php

@@ -1,6 +1,7 @@
 <?php declare(strict_types = 1);
 
 // total 4 errors
+
 return ['includes' => [
     __DIR__ . '/another.identifier.php',
     __DIR__ . '/missing-identifier.php',