Initial import of fitme3070.pt platform

Plain-PHP fleet platform with id.andmore.pt SSO. Wires shared/platform-tools
as a submodule (platform_update, backups, git/migration tools) like the other
platforms.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

site/contactos.php

@@ -0,0 +1,10 @@
+<?php
+// Redirect to single-page anchor — keep any query params before the fragment.
+$qs   = $_SERVER['QUERY_STRING'] ?? '';
+$dest = (defined('APP_BASE_URL') ? APP_BASE_URL : '') . '/home';
+if ($qs !== '') {
+    $dest .= '?' . $qs;
+}
+$dest .= '#contactos';
+header('Location: ' . $dest, true, 301);
+exit;