generated unique slug should be part of diff

Reviewed-on: #19

src/View/Linker.php

@@ -97,7 +97,12 @@ class Linker
 
         fwrite($outputFileHandle, $extra[0]);
         while (($line = fgets($inputFileHandle)) !== false) {
-            fwrite($outputFileHandle, $line);
+            if (preg_match('/^\s*@include\((.*)\)\s*$/', $line, $matches) === 1) {
+                $include = file_get_contents(ROOT . '/views/' . $matches[1] . '.php');
+                fwrite($outputFileHandle, $include);
+            } else {
+                fwrite($outputFileHandle, $line);
+            }
         }
         fwrite($outputFileHandle, $extra[1]);