moving lang to new home based on Laravel v9.x

src/lang/en/app.php

@@ -0,0 +1,42 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | App Language Lines
+    |--------------------------------------------------------------------------
+    |
+    | The following language lines are used throughout the application.
+    |
+    */
+
+    // General language lines go here.
+    //
+
+    // Text used as a page title or main heading.
+    'titles_' => [
+        //
+
+        'nav_' => [
+            //
+        ],
+    ],
+
+    // Text used as a label of some sort, not restricted to
+    // label HTML elements.
+    'labels_' => [
+        //
+    ],
+
+    // Text that may really only show up in a button.
+    'buttons_' => [
+        //
+    ],
+
+    // These will be longer status messages or short descriptions that serve
+    // as an informational/warning notice to the user.
+    'notices_' => [
+        //
+    ],
+];