Frontmatter

I changed the markdown and readinglist templates to a "frontmatter"
format. Hoping to see if I can make my notes more easily processed by
using a pre-defined header.

.vim/templates/mdfm

@@ -0,0 +1,8 @@
+:insert
+---
+filename:
+filecreated:
+fileupdated: 
+filetags: []
+---
+