Add note in the list of whether a post is a draft.

layouts/_default/list.html

@@ -20,6 +20,9 @@
                         <li class="post-item">
                             <a href="{{.Permalink}}" class="post-item-inner">
                                 <span class="post-title">
+                                    {{ if .Params.draft }}
+                                        {{ print "-=DRAFT=- "}}
+                                    {{ end }}
                                     {{ if .Params.pinned }}
                                         <img style="display: inline-block; vertical-align: middle; margin-right: 4px;"
                                             src="/feathericons/16px-a9a9b3/paperclip.svg" alt=""