Add lib, package, and docs info

Author: christopheradams

lib/elixir_style_guide.ex

@@ -0,0 +1,5 @@
+defmodule ElixirStyleGuide do
+  @moduledoc """
+  A community driven style guide for Elixir
+  """
+end

mix.exs

@@ -1,12 +1,23 @@
 defmodule ElixirStyleGuide.Mixfile do
   use Mix.Project
 
+  @project_description """
+  A community driven style guide for Elixir
+  """
+
+  @version "0.1.0"
+  @source_url "https://github.com/christopheradams/elixir_style_guide"
+
   def project do
     [app: :elixir_style_guide,
-     version: "0.1.0",
+     version: @version,
      elixir: "~> 1.0",
      build_embedded: Mix.env == :prod,
      start_permanent: Mix.env == :prod,
+     docs: docs(),
+     description: @project_description,
+     source_url: @source_url,
+     package: package(),
      deps: deps()]
   end
 
@@ -18,4 +29,25 @@ defmodule ElixirStyleGuide.Mixfile do
     [{:ex_doc, ">= 0.0.0", only: :dev},
      {:credo, "~> 0.5", only: [:dev, :test]}]
   end
+
+  defp docs() do
+    [
+      source_ref: "v#{@version}",
+      main: "readme",
+      extras: [
+        "README.md": [title: "README"]
+      ]
+    ]
+  end
+
+  defp package do
+    [
+      name: :elixir_style_guide,
+      maintainers: ["Christopher Adams"],
+      licenses: ["CC-by"],
+      links: %{
+        "GitHub" => @source_url
+      }
+    ]
+  end
 end