Refactor APIs to use routing

jumpapp/cli/cacheunsplash.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * Proxy requests to Unsplash API and cache response.
+ *
+ * @author Dale Davies <dale@daledavies.co.uk>
+ * @license MIT
+ */
+
+// Provided by composer for psr-4 style autoloading.
+require __DIR__ .'/../vendor/autoload.php';
+
+$config = new Jump\Config();
+$cache = new Jump\Cache($config);
+
+// If this script is run via CLI then clear the cache and repopulate it,
+// otherwise if run via web then get image data from cache and run this
+// script asynchronously to refresh the cache for next time.
+if (http_response_code() === false) {
+    $unsplashdata = Jump\Unsplash::load_cache_unsplash_data($config);
+    $cache->save(cachename: 'unsplash', data: $unsplashdata);
+    die('Cached data from Unsplash');
+}