Add @DomWillams0's update script (thanks pal)

Source: https://github.com/DomWilliams0/dotfiles/blob/master/i3blocks/blocks/updates

.config/i3blocks/blocks/updates

@@ -0,0 +1,13 @@
+#!/bin/python2
+
+import commands
+import os
+
+button = os.environ.get('BLOCK_BUTTON')
+if button == '1':
+  os.system("i3-sensible-terminal -e 'pacaur -Syu'")
+
+updates = commands.getstatusoutput("/usr/bin/checkupdates | wc -l")[1]
+if updates and updates != '0':
+  print updates
+  print updates

.config/i3blocks/config

@@ -64,6 +64,12 @@ interval=30
 
 [separator]
 
+[updates]
+label=
+interval=600
+
+[separator]
+
 [cpu_usage]
 label=
 interval=5