Browser: Add comments to browser usage in script.html

Author: lamATnginx

layouts/partials/scripts.html

@@ -2,6 +2,7 @@
 {{ $codecopyv2 := resources.Get "/js/code-copy-v2.js" | fingerprint "sha512" }}
 <script src="{{ $codecopyv2.RelPermalink }}" type="text/javascript"></script>
 
+<!-- load browser incompatibility js -->
 {{ $browserIncompatibility := resources.Get "/js/browser-incompatibility.js" | fingerprint "sha512" }}
 <script src="{{ $browserIncompatibility.RelPermalink }}" type="text/javascript"></script>