add markdown support

This is to pretty print the markdown posts.

Gemfile

@@ -5,5 +5,6 @@ gem 'do_postgres'
 gem 'zero', :git => 'https://github.com/libzero/zero.git'
 gem 'slim'
 gem 'sass'
+gem 'kramdown'
 gem 'puma'
 gem 'rubysl', :platforms => :rbx

Gemfile.lock

@@ -14,6 +14,7 @@ GEM
     do_postgres (0.10.13)
       data_objects (= 0.10.13)
     ffi2-generators (0.1.1)
+    kramdown (1.2.0)
     minitest (4.7.5)
     puma (2.6.0)
       rack (>= 1.1, < 2.0)
@@ -241,6 +242,7 @@ PLATFORMS
 
 DEPENDENCIES
   do_postgres
+  kramdown
   puma
   rubysl
   sass

lib/libraries.rb

@@ -4,3 +4,4 @@ require 'sequel'
 require 'zero'
 require 'sass'
 require 'slim'
+require 'kramdown'

templates/posts/index.html.slim

@@ -16,4 +16,6 @@ html
             .author=post[:username]
             .date=  post[:written].strftime('%Y-%m-%d')
             .time=  post[:written].strftime('%H-%M')
-          section= post[:content]
+          section
+            markdown:
+              "#{post[:content]}"