Adds brew install command in setup instructions.

README.md

@@ -2,18 +2,25 @@
  A tool to transform Postgres OLTP database schemas to OLAP database schemas automatically.
  
 ## Setup instructions
-- Install stack from http://haskellstack.org.
-- Git clone this repository:
+- If you are on Mac OSX, run this command in the terminal:
 
   ```sh
-  > git clone https://github.com/quintype/ringo
+  > brew install --HEAD quintype/quindeps/ringo
   ```
-- Run the following commands in the terminal:
 
-  ```sh
-  > cd ringo
-  > stack setup
-  > stack install
-  ```
-- Add `~/.local/bin/` to your shell's PATH.
-- You should be able to run the command `ringo` on terminal now. Run `ringo -h` to see the help.
+- Or install from source:
+ - Install stack from http://haskellstack.org.
+ - Git clone this repository:
+ 
+   ```sh
+   > git clone https://github.com/quintype/ringo
+   ```
+ - Run the following commands in the terminal:
+ 
+   ```sh
+   > cd ringo
+   > stack setup
+   > stack install
+   ```
+ - Add `~/.local/bin/` to your shell's PATH.
+ - You should be able to run the command `ringo` on terminal now. Run `ringo -h` to see the help.