fix: static files linked with their content hash, so a release is never shadowed by a cached copy (Cloudflare kept the old CSS)

internal/server/web/templates/terminal.html

@@ -4,8 +4,8 @@
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Терминал · {{.Agent.Name}} - LPRA</title>
-<link rel="stylesheet" href="/static/app.css">
-<link rel="stylesheet" href="/static/xterm.css">
+<link rel="stylesheet" href="{{asset "app.css"}}">
+<link rel="stylesheet" href="{{asset "xterm.css"}}">
 <style>
   #status.st-ok  { color:#37c871; }
   #status.st-err { color:#ff5c5c; }
@@ -82,8 +82,8 @@
   <button type="button" data-k="pgdn">PGDN</button>
 </div>
 
-<script src="/static/xterm.js"></script>
-<script src="/static/addon-fit.js"></script>
+<script src="{{asset "xterm.js"}}"></script>
+<script src="{{asset "addon-fit.js"}}"></script>
 <script>
 (function () {
   const agentID = {{.Agent.ID}};