docs: setup ex_doc

mix.exs

@@ -12,7 +12,8 @@ defmodule Nodelix.MixProject do
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       description: description(),
-      package: package()
+      package: package(),
+      docs: docs()
     ]
   end
 
@@ -36,7 +37,19 @@ defmodule Nodelix.MixProject do
     ]
   end
 
+  defp docs() do
+    [
+      name: "Nodelix",
+      source_url: @source_url,
+      source_ref: "v#{@version}",
+      canonical: "http://hexdocs.pm/nodelix",
+      extras: ["README.md", "CHANGELOG.md", "LICENSE"]
+    ]
+  end
+
   defp deps do
-    []
+    [
+      {:ex_doc, ">= 0.0.0", only: :dev, runtime: false}
+    ]
   end
 end

mix.lock

@@ -0,0 +1,8 @@
+%{
+  "earmark_parser": {:hex, :earmark_parser, "1.4.38", "b42252eddf63bda05554ba8be93a1262dc0920c721f1aaf989f5de0f73a2e367", [:mix], [], "hexpm", "2cd0907795aaef0c7e8442e376633c5b3bd6edc8dbbdc539b22f095501c1cdb6"},
+  "ex_doc": {:hex, :ex_doc, "0.30.9", "d691453495c47434c0f2052b08dd91cc32bc4e1a218f86884563448ee2502dd2", [:mix], [{:earmark_parser, "~> 1.4.31", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "d7aaaf21e95dc5cddabf89063327e96867d00013963eadf2c6ad135506a8bc10"},
+  "makeup": {:hex, :makeup, "1.1.1", "fa0bc768698053b2b3869fa8a62616501ff9d11a562f3ce39580d60860c3a55e", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "5dc62fbdd0de44de194898b6710692490be74baa02d9d108bc29f007783b0b48"},
+  "makeup_elixir": {:hex, :makeup_elixir, "0.16.1", "cc9e3ca312f1cfeccc572b37a09980287e243648108384b97ff2b76e505c3555", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "e127a341ad1b209bd80f7bd1620a15693a9908ed780c3b763bccf7d200c767c6"},
+  "makeup_erlang": {:hex, :makeup_erlang, "0.1.2", "ad87296a092a46e03b7e9b0be7631ddcf64c790fa68a9ef5323b6cbb36affc72", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "f3f5a1ca93ce6e092d92b6d9c049bcda58a3b617a8d888f8e7231c85630e8108"},
+  "nimble_parsec": {:hex, :nimble_parsec, "1.4.0", "51f9b613ea62cfa97b25ccc2c1b4216e81df970acd8e16e8d1bdc58fef21370d", [:mix], [], "hexpm", "9c565862810fb383e9838c1dd2d7d2c437b3d13b267414ba6af33e50d2d1cf28"},
+}