[11.x] addPath() Allow adding new path for translation loader. (#54277)

* It allows adding new directories with the `addLocation` method.

* Update FileLoader.php

* Update FileLoader.php

* Update FileLoader.php

---------

Co-authored-by: Taylor Otwell <[email protected]>

Author: selcukcukur

src/Illuminate/Translation/FileLoader.php

@@ -182,6 +182,17 @@ public function namespaces()
         return $this->hints;
     }
 
+    /**
+     * Add a new path to the loader.
+     *
+     * @param  string  $path
+     * @return void
+     */
+    public function addPath($path)
+    {
+        $this->paths[] = $path;
+    }
+
     /**
      * Add a new JSON path to the loader.
      *