Update hostsfile and add zerotier cookbook

cookbooks/zerotier/attributes/default.rb

@@ -0,0 +1,28 @@
+
+# Not set by default.
+# default['zerotier']['install_version']
+#
+
+default['zerotier']['central_url'] = 'https://my.zerotier.com'
+
+# Public networks to autojoin.
+default['zerotier']['public_autojoin'] = []
+
+# Private networks to autojoin.  Requires ZeroTier Central API api key.
+#
+# Packed in the following format:
+#
+#    [{
+#       :network_id => "", 
+#       :auth_token => "key",
+#       :central_url => "http://my.zerotier.com" // optional.  Defaults to https://my.zerotier.com
+#     },
+#     ...
+#    ]
+#
+default['zerotier']['private_autojoin'] = []
+
+# Binary path to ZeroTier.  Shouldn't be changed unless you know what you're doing
+default['zerotier']['binary'] = '/usr/sbin/zerotier-cli'
+default['zerotier']['data_dir'] = '/var/lib/zerotier-one'
+default['zerotier']['control_port'] = 9993