examples: fixup URLs for project subfolder

examples/template-homepage.html

@@ -5,7 +5,11 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title>@project_name@ Examples</title>
-    <link rel="stylesheet" type="text/css" href="/examples.css" />
+    <link
+      rel="stylesheet"
+      type="text/css"
+      href="/@project_name@/examples.css"
+    />
     <style>
       main > h1 {
         margin-top: 0;
@@ -19,7 +23,7 @@
     <main>
       <nav class="breadcrumb">
         <ul>
-          <li><a href="/">@project_name@</a></li>
+          <li><a href="/@project_name@">@project_name@</a></li>
         </ul>
       </nav>
       <h1>@project_name@ examples</h1>