fix head tags

changed self closing <meta /> and <link /> to simple tags.

src/_includes/layouts/base.njk

@@ -8,12 +8,12 @@
   <link rel="canonical" href="{{ site.url }}{{ page.url }}">
   <link rel="stylesheet" href="/assets/css/style.css">
   
-  <link rel="icon" type="image/png" href="/favicon-96x96.png" sizes="96x96" />
+  <link rel="icon" type="image/png" href="/favicon-96x96.png" sizes="96x96">
-  <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
+  <link rel="icon" type="image/svg+xml" href="/favicon.svg">
-  <link rel="shortcut icon" href="/favicon.ico" />
+  <link rel="shortcut icon" href="/favicon.ico">
-  <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
+  <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
-  <meta name="apple-mobile-web-app-title" content="ety.onl" />
+  <meta name="apple-mobile-web-app-title" content="ety.onl">
-  <link rel="manifest" href="/site.webmanifest" />
+  <link rel="manifest" href="/site.webmanifest">
 
 </head>
 <body>