MP: Add bookmarks 2019/11/hk4ga

content/mf2/2019/11/hk4ga.md

+{
+  "kind" : "bookmarks",
+  "slug" : "2019/11/hk4ga",
+  "client_id" : "https://micropublish.net",
+  "date" : "2019-11-12T12:19:43.514+01:00",
+  "h" : "h-entry",
+  "properties" : {
+    "name" : [ "The grammar of Vim" ],
+    "bookmark-of" : [ "https://rc3.org/2012/05/12/the-grammar-of-vim/" ],
+    "published" : [ "2019-11-12T12:19:43.514+01:00" ]
+  }
+}