added terminal interface as default. old website as no-js fallback

terminal/api/pages.php

@@ -0,0 +1,51 @@
+<?php
+declare(strict_types=1);
+
+require __DIR__ . '/_bootstrap.php';
+
+$articlesDir = $rootDir . '/articles';
+if (!is_dir($articlesDir)) {
+    json_out(['pages' => []]);
+}
+
+$pages = [];
+$files = glob($articlesDir . '/*.md') ?: [];
+sort($files);
+
+foreach ($files as $file) {
+    $slug = basename($file, '.md');
+
+    if (preg_match('/^success\d+$/', $slug) === 1) {
+        continue;
+    }
+
+    $title = $slug;
+
+    $fh = fopen($file, 'rb');
+    if ($fh !== false) {
+        for ($i = 0; $i < 20; $i++) {
+            $line = fgets($fh);
+            if ($line === false) {
+                break;
+            }
+            $line = trim($line);
+            if ($line === '') {
+                continue;
+            }
+            if (preg_match('/^#\s+(.+)$/', $line, $m)) {
+                $title = trim($m[1]);
+                break;
+            }
+            $title = mb_substr($line, 0, 80);
+            break;
+        }
+        fclose($fh);
+    }
+
+    $pages[] = [
+        'slug' => $slug,
+        'title' => $title,
+    ];
+}
+
+json_out(['pages' => $pages]);