Move all files to php/pest/

php/pest/tests/PangramTest.php

@@ -0,0 +1,19 @@
+<?php
+
+use function App\isPangram;
+
+it('determines if a string is a pangram', function (
+    string $input,
+    bool $expected
+) {
+    assertSame($expected, isPangram($input));
+})->with([
+    [
+        'input' => 'hello word',
+        'expected' => false,
+    ],
+    [
+        'input' => 'The quick brown fox jumps over the lazy dog',
+        'expected' => true,
+    ]
+]);