Add umami tracking

src/_includes/base.njk

@@ -41,6 +41,8 @@
 		<meta name="author" content="{{ metadata.author.name }}">
 		<meta name="description" content="{{ excerpt if excerpt else description }}">
 		{% ogImage "./src/_includes/components/ogImage.njk", { title: pageTitle or title, subTitle: description } %}
+
+		<script defer src="https://umami.lewisdale.dev/script.js" data-website-id="4f1be7ef-7fb4-4b08-81f1-68fb807a3063"></script>
 	</head>
 	<body>
 		<header class="wrapper-lg row space-between">