add releases page; fix HUGE static file perf regression

admin/templates/html/releases.html

@@ -0,0 +1,22 @@
+{{define "head"}}
+<title>Releases - ari melody 💫</title>
+<link rel="shortcut icon" href="/img/favicon.png" type="image/x-icon">
+<link rel="stylesheet" href="/admin/static/index.css">
+{{end}}
+
+{{define "content"}}
+<main>
+    <div class="card-header">
+        <h1><a href="/admin/releases/">Releases</a></h1>
+        <a class="button new" id="create-release">Create New</a>
+    </div>
+    {{range .Releases}}
+    {{block "release" .}}{{end}}
+    {{end}}
+    {{if not .Releases}}
+    <p>There are no releases.</p>
+    {{end}}
+</main>
+
+<script type="module" src="/admin/static/admin.js"></script>
+{{end}}