MAPG-97 make better split up of JSs, CSSs, SVGs, templates

views/templates/main_header.php

@@ -5,6 +5,11 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>MapGuesser</title>
     <link href="/static/css/mapguesser.css" rel="stylesheet">
+    <?php if (isset($cssFiles)) : ?>
+        <?php foreach ($cssFiles as $cssFile) : ?>
+            <link href="<?= $cssFile ?>" rel="stylesheet">
+        <?php endforeach; ?>
+    <?php endif; ?>
     <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;500&family=Roboto+Mono:wght@300;500&display=swap" rel="stylesheet">
     <link rel="icon" type="image/png" sizes="192x192" href="/static/img/favicon/192x192.png">
     <link rel="icon" type="image/png" sizes="96x96" href="/static/img/favicon/96x96.png">