chore(docs): Tweaked README formatting

add 2 spaces to the end of a line to add a <br>

Author: ProLoser

README.md

@@ -3,12 +3,12 @@ ui-select2
 
 ## Setup
 
-1. Install **testacular**
-   `$ npm install -g testacular@canary`
-2. Install **bower**
-   `$ npm install -g bower`
-3. Install components
-   `$ bower install`
+1. Install **testacular**  
+  `$ npm install -g testacular@canary`
+2. Install **bower**  
+  `$ npm install -g bower`
+4. Install components  
+  `$ bower install`
 4. ???
 5. Profit!