Update documentation

Author: r8

README.md

@@ -25,7 +25,7 @@ Add `oembed` to your list of dependencies in `mix.exs`:
 
 ```elixir
 def deps do
-  [{:oembed, "~> 0.1.0"}]
+  [{:oembed, "~> 0.2.0"}]
 end
 ```
 
@@ -35,7 +35,7 @@ end
 {:ok, result} = OEmbed.for("https://www.youtube.com/watch?v=dQw4w9WgXcQ")
 ```
 
-## 3rd party providers
+## Custom providers
 
 You can implement modules that support provider behaviour and add them to the provider list from your app config
 

lib/oembed.ex

@@ -18,7 +18,7 @@ defmodule OEmbed do
 
   ```elixir
   def deps do
-    [{:oembed, "~> 0.1.0"}]
+    [{:oembed, "~> 0.2.0"}]
   end
   ```
 
@@ -27,6 +27,14 @@ defmodule OEmbed do
   ```elixir
   {:ok, result} = OEmbed.for("https://www.youtube.com/watch?v=dQw4w9WgXcQ")
   ```
+
+  ## Custom providers
+
+  You can implement modules that support provider behaviour and add them to the provider list from your app config
+
+  ```elixir
+  config :oembed, :providers, [MyApp.OEmbed.SomeProvider, MyApp.OEmbed.SomeOtherProvider]
+  ```
   """
 
   @core_providers [