fix: point to right url for preview img

Author: xlc-dev

www/src/template.html

@@ -11,7 +11,10 @@
     />
     <meta property="og:type" content="website" />
     <meta property="og:url" content="https://xlc-dev.github.io/nova/" />
-    <meta property="og:image" content="{{BASE_URL}}/static/img/nova.png" />
+    <meta
+      property="og:image"
+      content="https://xlc-dev.github.io/nova/static/img/nova.png"
+    />
     <meta
       property="og:title"
       content="Nova - Build Powerful Web Applications in Go"
@@ -35,7 +38,10 @@
       name="twitter:description"
       content="Nova is a flexible Go framework for building RESTful APIs and web UIs with sensible defaults, routing, middleware, OpenAPI, and templating."
     />
-    <meta name="twitter:image" content="{{BASE_URL}}/static/img/nova.png" />
+    <meta
+      name="twitter:image"
+      content="https://xlc-dev.github.io/nova/static/img/nova.png"
+    />
     <link
       rel="shortcut icon"
       href="{{BASE_URL}}/static/img/favicon.png"