Add rinku gem for auto linking

Author: yasulab

Gemfile

@@ -53,6 +53,9 @@ gem 'lazy_high_charts', '1.5.8'
 gem 'rack-attack'
 gem 'rack-user_agent'
 
+# For Auto Link
+gem 'rinku'
+
 # For RSS feed
 gem 'ruby-mp3info', require: 'mp3info'
 

Gemfile.lock

@@ -390,6 +390,7 @@ GEM
     reverse_markdown (3.0.0)
       nokogiri
     rexml (3.4.1)
+    rinku (2.0.6)
     rspec-core (3.13.3)
       rspec-support (~> 3.13.0)
     rspec-expectations (3.13.3)
@@ -559,6 +560,7 @@ DEPENDENCIES
   rails-html-sanitizer (~> 1.4.4)
   rake
   rambulance!
+  rinku
   rspec-rails (~> 4.0)
   rspec-retry
   rss