Add documentation

.gitignore

@@ -5,3 +5,4 @@ erl_crash.dump
 *.ez
 .idea
 *.iml
+/doc

mix.exs

@@ -39,7 +39,9 @@ defmodule EctoStateMachine.Mixfile do
      {:ecto, ">= 2.0.0"},
 
      {:postgrex,   ">= 0.0.0", only: :test},
-     {:ex_machina, "~> 1.0.0", only: :test}
+     {:ex_machina, "~> 1.0.0", only: :test},
+
+     {:ex_doc, ">= 0.0.0", only: :dev},
     ]
   end
 

mix.lock

@@ -1,7 +1,9 @@
 %{"connection": {:hex, :connection, "1.0.3", "3145f7416be3df248a4935f24e3221dc467c1e3a158d62015b35bd54da365786", [:mix], []},
   "db_connection": {:hex, :db_connection, "1.0.0-rc.3", "d9ceb670fe300271140af46d357b669983cd16bc0d01206d7d3222dde56cf038", [:mix], [{:sbroker, "~> 1.0.0-beta.3", [hex: :sbroker, optional: true]}, {:poolboy, "~> 1.5", [hex: :poolboy, optional: true]}, {:connection, "~> 1.0.2", [hex: :connection, optional: false]}]},
   "decimal": {:hex, :decimal, "1.1.2", "79a769d4657b2d537b51ef3c02d29ab7141d2b486b516c109642d453ee08e00c", [:mix], []},
+  "earmark": {:hex, :earmark, "1.0.3", "89bdbaf2aca8bbb5c97d8b3b55c5dd0cff517ecc78d417e87f1d0982e514557b", [:mix], []},
   "ecto": {:hex, :ecto, "2.0.2", "b02331c1f20bbe944dbd33c8ecd8f1ccffecc02e344c4471a891baf3a25f5406", [:mix], [{:poison, "~> 1.5 or ~> 2.0", [hex: :poison, optional: true]}, {:sbroker, "~> 1.0-beta", [hex: :sbroker, optional: true]}, {:mariaex, "~> 0.7.7", [hex: :mariaex, optional: true]}, {:postgrex, "~> 0.11.2", [hex: :postgrex, optional: true]}, {:db_connection, "~> 1.0-rc.2", [hex: :db_connection, optional: true]}, {:decimal, "~> 1.0", [hex: :decimal, optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, optional: false]}]},
+  "ex_doc": {:hex, :ex_doc, "0.14.5", "c0433c8117e948404d93ca69411dd575ec6be39b47802e81ca8d91017a0cf83c", [:mix], [{:earmark, "~> 1.0", [hex: :earmark, optional: false]}]},
   "ex_machina": {:hex, :ex_machina, "1.0.2", "1cc49e1a09e3f7ab2ecb630c17f14c2872dc4ec145d6d05a9c3621936a63e34f", [:mix], [{:ecto, "~> 2.0", [hex: :ecto, optional: true]}]},
   "ex_spec": {:hex, :ex_spec, "2.0.0", "7fedc6f3f7fe9b5bc14f17f94199cac4d2abe389727291467ee7708dcf6544a0", [:mix], []},
   "poolboy": {:hex, :poolboy, "1.5.1", "6b46163901cfd0a1b43d692657ed9d7e599853b3b21b95ae5ae0a777cf9b6ca8", [:rebar], []},