Move backend related code to new repository

.gitignore

@@ -11,18 +11,12 @@
 # production
 /build
 
-# images
-/img
-
 # misc
 .DS_Store
 .env.local
 .env.development.local
 .env.test.local
 .env.production.local
-php/composer*
-php/psalm.xml
-php/vendor
 
 npm-debug.log*
 yarn-debug.log*

php/get.php

@@ -1,52 +0,0 @@
-<?php
-define("ROOT_URL", "http://localhost/react-photo-viewer/");
-define("RELATIVE_IMG", "../img/");
-define("ABSOLUTE_IMG", "img/");
-
-main();
-
-function main(): void {
-  $data = json_decode(file_get_contents('php://input'), true);
-  $array = [];
-
-  $category = $data["category"];
-  $directory = RELATIVE_IMG.$category;
-  if (!is_dir($directory)) return;
-  foreach (scandir($directory) as $file) {
-    if ($file === ".") continue;
-    if ($category === "" && $file === "..") continue;
-
-    if ($category != "") $file = $category.'/'.$file;
-    $is_dir = is_dir(RELATIVE_IMG.$file);
-    if (!$is_dir && !is_valid_file_type($file)) continue;
-
-    $file_item = [];
-    $file_item["is_dir"] = $is_dir;
-    $file_item["url"] = ROOT_URL.ABSOLUTE_IMG.$file;
-    array_push($array, $file_item);
-  }
-  echo json_encode($array);
-}
-
-function is_valid_file_type(string $filename): bool {
-  $file_extensions = [
-    // Image extensions
-    'jpg',
-    'jpeg',
-    'png',
-    'gif',
-    'tiff',
-    'bmp',
-    'webp',
-    'svg',
-    // Video extensions
-    'mp4',
-  ];
-
-  foreach ($file_extensions as $file_extension) {
-    if (str_ends_with($filename, $file_extension)) return true;
-  }
-  return false;
-}
-?>
-