add markdown snippets and front matter syntax

config/nvim/init.vim

@@ -151,6 +151,8 @@ if has('autocmd') && !exists('autocommands_loaded')
 
     " autocmd! BufEnter * call ApplyLocalSettings(expand('<afile>:p:h'))
 
+    autocmd BufNewFile,BufRead,BufWrite *.md syntax match Comment /\%^---\_.\{-}---$/
+
     autocmd! BufWritePost * Neomake
 endif
 

config/nvim/snippets/markdown.snippets

@@ -1,3 +1,7 @@
 snippet code
 	\`\`\`${1}
 	\`\`\`
+snippet a
+	[${1:text}](${2:http://})
+snippet img
+	![${1:alt}](${2:http://})