added l10n comments about code blocks

mkt/ecosystem/templates/ecosystem/publish_packaged.html

@@ -55,6 +55,7 @@
         <dl>
           <dt>{{ _('Privileged app') }}</dt>
           <dd>
+            {# L10n: Do not localize text in <code></code> #}
             {%- trans %}
               A privileged app is approved by the Firefox Marketplace
               using a special process. It is meant to provide
@@ -96,6 +97,7 @@
           </dd>
           <dt>{{ _('Certified app') }}</dt>
           <dd>
+            {# L10n: Do not localize text in <code></code> #}
             {%- trans %}
               A certified app is intended for a critical system function
               like the default dialer or the system settings app on a
@@ -125,6 +127,7 @@
             {% endtrans -%}
           <dt>{{ _('Plain packaged app') }}</dt>
           <dd>
+            {# L10n: Do not localize text in <code></code> #}
             {%- trans %}
               You can also make a regular app that is simply packaged in a
               zip file. The Marketplace signs it, but does not perform the