Feature/keybase plugin (#675)

* Add Keybase plugin v0.1

* Update desc.

Tools/Keybase/keybase-encrypt.10m.rb

@@ -0,0 +1,50 @@
+#!/usr/bin/env LC_ALL=en_US.UTF-8 ruby
+
+# <bitbar.title>Keybase Encrypt/Decrypt</bitbar.title>
+# <bitbar.version>v0.1</bitbar.version>
+# <bitbar.author>Ash Wu(hSATAC), Aaron Huang(aar0ntw)</bitbar.author>
+# <bitbar.author.github>pan-cat</bitbar.author.github>
+# <bitbar.desc>A helper for keybase encryption and decryption. Simply copy content you want to decrypt/encrypt and click action, the result will be copied into your clipboard.</bitbar.desc>
+# <bitbar.image>http://ash.cat/2FT8+</bitbar.image>
+# <bitbar.dependencies>ruby,keybase</bitbar.dependencies>
+
+#--- User parameters ----------------------------------------------------------
+KEYBASE = "/usr/local/bin/keybase"
+
+#--- Script internals ---------------------------------------------------------
+# TODO: Handle keybase cli error with color or icon?
+
+REFRESH = "---\nRefresh | refresh=true"
+
+# decrypt
+if ARGV[0] == "decrypt"
+  `/usr/bin/pbpaste | #{KEYBASE} decrypt | /usr/bin/pbcopy`
+  exit
+end
+
+# ecrypt
+if ARGV[0] == "encrypt"
+  target = ARGV[1]
+  `/usr/bin/pbpaste | #{KEYBASE} encrypt #{target} | /usr/bin/pbcopy`
+  exit
+end
+
+
+icon = "🔑"
+
+
+following = `#{KEYBASE} list-following`.split("\n").map{|f|
+  "--#{f} | bash=#{__FILE__} param1=encrypt param2=#{f} terminal=false"
+}.join("\n")
+
+
+puts """
+#{icon}
+---
+Encrypt
+#{following}
+---
+Decrypt | bash='#{__FILE__}' param1=decrypt terminal=false
+---
+#{REFRESH}
+"""