docs: Update README and docs generation.

README.md

@@ -12,16 +12,20 @@ animations) take a look at [easings.net](http://easings.net)
 
 ## Installation
 
-[Available in Hex](https://hex.pm/packages/ease), the package can be installed
+Ease is [available in Hex](https://hex.pm/packages/ease), the package can be installed
 by adding `ease` to your list of dependencies in `mix.exs`:
 
 ```elixir
 def deps do
-  [{:ease, "~> 1.0.0"}]
+  [
+    {:ease, "~> 1.0.0"}
+  ]
 end
 ```
 
-Documentation can be found at [https://hexdocs.pm/ease](https://hexdocs.pm/ease).
+Documentation for the latest release can be found on
+[HexDocs](https://hexdocs.pm/ease) and for the `main` branch on
+[docs.harton.nz](https://docs.harton.nz/james/ease).
 
 ## Usage
 

mix.exs

@@ -12,7 +12,11 @@ defmodule Ease.Mixfile do
       build_embedded: Mix.env() == :prod,
       start_permanent: Mix.env() == :prod,
       package: package(),
-      deps: deps()
+      deps: deps(),
+      docs: [
+        main: "readme",
+        extras: ["README.md", "CHANGELOG.md"]
+      ]
     ]
   end
 
@@ -27,7 +31,10 @@ defmodule Ease.Mixfile do
       maintainers: ["James Harton <james@harton.nz>"],
       licenses: ["HL3-FULL"],
       links: %{
-        "Source" => "https://harton.dev/james/ease"
+        "Source" => "https://harton.dev/james/ease",
+        "GitHub" => "https://github.com/jimsynz/ease",
+        "Changelog" => "https://docs.harton.nz/james/ease/changelog.html",
+        "Sponsor" => "https://github.com/sponsors/jimsynz"
       }
     ]
   end