Add row for credits to settings
Add row for credits to settings

When row tapped it redirects to a webview which containts
displays the project page: https://wiki.openmrs.org/display/docs/OpenMRS+iOS+Client

Signed-off-by: Yousef Hamza <137f1d8bd013c5c45019950bbef3f0ff86ade928@gmail.com>

Undo1/openmrs-contrib-ios-client,yousefhamza/openmrs-contrib-ios-client,Undo1/openmrs-contrib-ios-client,yousefhamza/openmrs-contrib-ios-client