Adding usage help message

Author: chrisfsampaio

README.md

@@ -5,15 +5,15 @@ A bash script that builds your Xcode project and ship it to your Testflight acco
 
 #Arguments
 
- -c **Use CocoaPods flag**  
- -p **PROJECT_NAME**  
- -s **SCHEME_NAME**  
- -v **VERSION**  
- -i **ICON_PATH**  
- -n **APP_NAME**  
- -t **TESTFLIGHT_TEAM_TOKEN**  
- -a **TESTFLIGHT_API_TOKEN**  
- -d **TESTFLIGHT_DISTRIBUTION_LIST**  
- -r **CERTIFICATE_NAME**  
- -f **CONFIGURATION**  
- -h **HELP**  
+ **-c** Use CocoaPods flag  
+ **-p** PROJECT_NAME  
+ **-s** SCHEME_NAME  
+ **-v** VERSION  
+ **-i** ICON_PATH  
+ **-n** APP_NAME  
+ **-t** TESTFLIGHT_TEAM_TOKEN  
+ **-a** TESTFLIGHT_API_TOKEN  
+ **-d** TESTFLIGHT_DISTRIBUTION_LIST  
+ **-r** CERTIFICATE_NAME  
+ **-f** CONFIGURATION  
+ **-h** Help Message