update readme

README.md

@@ -19,14 +19,14 @@ it, simply add the following line to your Podfile:
 ```ruby
 pod "GMPhobos"
 ```
-
-1. Get the code:
+  
+1 Get the code:
 
 ```ruby
 git clone git@git.gengmei.cc:gengmeiios/GMPhobos.git
 ```
-
-2. Drag the Phobos subfolder to your project. Check both “copy items into destination group’s folder” and your target.
+  
+2 Drag the Phobos subfolder to your project. Check both “copy items into destination group’s folder” and your target.
 
 ## Configuration
 While you are free to initialize as many instances of Phobos as is appropriate for your application, there is a shared singleton instance that is globally available.