Attempt to fix resource URLs

sites/+components/page-head.php

@@ -1,6 +1,6 @@
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
-<link rel="icon" type="image/svg+xml" href="./favicon.svg" sizes="any">
+<link rel="icon" type="image/svg+xml" href="/favicon.svg" sizes="any">
 <meta
 	http-equiv="Content-Security-Policy"
 	content="<?php

sites/about/index.php

@@ -8,7 +8,7 @@
 	<meta charset="UTF-8">
 	<link rel="canonical" href="<?=$SITE_CANONICAL_URL?>/about">
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
-	<link rel="stylesheet" href="./css/common-dark.css">
+	<link rel="stylesheet" href="/css/common-dark.css">
 	<meta name="description" content="Learn more about sessioncommunities.online, the online self-updating list of Session Communities.">
 	<title>About — sessioncommunities.online</title>
 	<meta property="og:title" content="About — sessioncommunities.online">

sites/donate/index.php

@@ -16,7 +16,7 @@
 	<?php include "+components/page-head.php" ?>
 
 	<link rel="canonical" href="<?=$SITE_CANONICAL_URL?>/donate">
-	<link rel="stylesheet" href="./css/common-dark.css">
+	<link rel="stylesheet" href="/css/common-dark.css">
 	<meta name="description" content="<?php
 	?>Support sessioncommunities.online development with donations if you have disposable income. <?php
 	?>We develop sessioncommunities.online to support the privacy mission.">

sites/instructions/index.php

@@ -13,8 +13,8 @@
 		<?php include "+components/page-head.php" ?>
 
 		<link rel="canonical" href="<?=$SITE_CANONICAL_URL?>/instructions.php">
-		<link rel="stylesheet" href="./css/common-dark.css">
+		<link rel="stylesheet" href="/css/common-dark.css">
-		<link rel="stylesheet" href="./css/instructions.css">
+		<link rel="stylesheet" href="/css/instructions.css">
 		<style type="text/css">
 <?php foreach ($instruction_files as $i => $file): ?>
 			#language-selection-<?=$i?>:checked ~

sites/privacy/index.php

@@ -21,7 +21,7 @@
 		<meta property="og:description" content="Read our transparent account of what data sessioncommunities.online collects when you browse the site.">
 		<meta property="og:type" content="article">
 		<meta property="og:url" content="<?=$SITE_CANONICAL_URL?>/privacy">
-		<link rel="stylesheet" href="./css/common-dark.css">
+		<link rel="stylesheet" href="/css/common-dark.css">
 		<style>
 			label, label a { text-decoration: underline dotted white 1px; text-underline-offset: 0.2em; }
 <?php foreach ($HIGHLIGHTED_FIELDS as $field): ?>