Update 'readme.md'

readme.md

@@ -51,7 +51,10 @@ git clone http://git.bbh.org.in/chess/elxr.git
 ```
 
 * ##### Create alias
-
+```
+cd elxr
+npm link
+```
 ####  Step 2: elxr pull
 ####  Step 3: Switch branch
 ####  Step 4: SyncMaster (only for production)