updated README

README.md

@@ -1,3 +1,4 @@
+
 # Scrape
 
 [![Hex.pm](https://img.shields.io/hexpm/dt/scrape.svg)](https://hex.pm/packages/scrape)
@@ -6,17 +7,22 @@
 
 ## Installation
 
-If [available in Hex](https://hex.pm/docs/publish), the package can be installed
-by adding `scrape` to your list of dependencies in `mix.exs`:
+The package can be installed by adding `scrape` to your list of dependencies in `mix.exs`:
 
 ```elixir
 def deps do
   [
-    {:scrape, "~> 0.1.0"}
+    {:scrape, "~> 3.0.0"}
   ]
 end
 ```
 
-Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
-and published on [HexDocs](https://hexdocs.pm). Once published, the docs can
-be found at [https://hexdocs.pm/scrape](https://hexdocs.pm/scrape).
+## Usage
+
+* `Scrape.domain!(url)` -> get structured data of a domain-type url (like https://bbc.com)
+* `Scrape.feed!(url)` -> get structured data of a RSS/Atom feed
+* `Scrape.article!(url)` -> get structured data of an article-type url 
+
+## License
+
+LGPLv3. You can use this package any way you want (including commercially), but I want bugfixes and improvements to flow back into this package.