Add beta of BitBar

Casks/bitbar-beta.rb

@@ -0,0 +1,13 @@
+cask 'bitbar-beta' do
+  version '1.5.0-beta1'
+  sha256 '4ef9a1e113b31f3b1f6902bca9c1fca7e1d5ab02ca3159f15fd079fef8626668'
+
+  url 'https://github.com/matryer/bitbar/releases/download/v1.5.0-beta1/BitBar-v1.5-beta1.zip'
+  appcast 'https://github.com/matryer/bitbar/releases.atom',
+          checkpoint: '7dcfb67d06d77cb92a5ca083e5ccc16f11e25d67d579c5e373fb0d78fe0a65d6'
+  name 'BitBar'
+  homepage 'https://github.com/matryer/bitbar/'
+  license :mit
+
+  app 'bitbar.app'
+end