add trailing slashes

_posts/2015-03-09-beginning.markdown

@@ -2,7 +2,7 @@
 layout: post
 title:  "Let's Begin"
 date:   2015-03-09 17:13:46
-permalink: beginning
+permalink: beginning/
 categories: self
 ---
 

_posts/2015-03-28-css-filters.md

@@ -2,7 +2,7 @@
 layout: post
 title:  "CSS Filters are awesome!"
 date:   2015-03-28 17:13:46
-permalink: css-filters
+permalink: css-filters/
 categories: css
 ---
 

_posts/2015-04-02-broadcast-channel.md

@@ -2,7 +2,7 @@
 layout: post
 title:  "BroadcastChannel API"
 date:   2015-04-02 17:13:46
-permalink: broadcastchannel-api
+permalink: broadcastchannel-api/
 categories: api
 ---
 

_posts/2015-06-06-array-generator-comprehensions.md

@@ -2,7 +2,7 @@
 layout: post
 title:  "ES7 Array and Generator comprehensions"
 date:   2015-06-06 13:47:00
-permalink: es7-array-generator-comprehensions
+permalink: es7-array-generator-comprehensions/
 categories: es7, generator, array
 ---
 

_posts/2015-07-24-autocomplete-trie.md

@@ -2,7 +2,7 @@
 layout: post
 title:  "Autocomplete using Tries"
 date:   2015-07-24 09:44:00
-permalink: autocomplete-predict-trie
+permalink: autocomplete-predict-trie/
 categories: algorithms
 ---
 

_posts/2015-10-13-open-source-good-bad-ugly.md

@@ -2,7 +2,7 @@
 layout: post
 title:  "Open-source: The Good, The Bad and The Ugly"
 date:   2015-10-13 06:15:00
-permalink: open-source-good-bad-ugly
+permalink: open-source-good-bad-ugly/
 categories: experience, open-source, opinion
 ---