Various improvements

- Better UX overall
- Fixes for phone in landscape
- Added line height option
- Use Warbreaker prologue (and added attribution)

web/load_fonts.php

@@ -0,0 +1,33 @@
+<?php
+if (!defined('APP_ROOT')) {
+    http_response_code(403);
+    exit;
+}
+
+$fontRoot = APP_ROOT . '/repos/ebook-fonts/fonts';
+$fontEntries = [];
+
+$iterator = new RecursiveIteratorIterator(
+    new RecursiveDirectoryIterator($fontRoot, FilesystemIterator::SKIP_DOTS)
+);
+
+foreach ($iterator as $fileInfo) {
+    if (!$fileInfo->isFile()) {
+        continue;
+    }
+    if (strtolower($fileInfo->getExtension()) !== 'ttf') {
+        continue;
+    }
+    if (str_contains($fileInfo->getFilename(), 'NV_OpenDyslexic')) {
+        continue;
+    }
+    $relative = str_replace(APP_ROOT . '/', '', $fileInfo->getPathname());
+    $relative = str_replace(DIRECTORY_SEPARATOR, '/', $relative);
+    $fontEntries[] = $relative;
+}
+
+sort($fontEntries, SORT_NATURAL | SORT_FLAG_CASE);
+$fontFilesJson = json_encode($fontEntries, JSON_UNESCAPED_SLASHES);
+if ($fontFilesJson === false) {
+    $fontFilesJson = '[]';
+}