Updated Development_Contribution (markdown)

Development_Contribution.md

@@ -19,10 +19,12 @@ It basically boils down to this:
 # plugins/NotifyFooBar.py might look like:
 
 from .NotifyBase import NotifyBase
+from ..AppriseLocale import gettext_lazy as _
 
 class NotifyFooBar(NotifyBase):
     # Define a human readable description of our object
-    service_name = 'FooBar Notification'
+    # _() is wrapped for future language translations
+    service_name = _('FooBar Notification')
 
     # Our protocol:// Apprise will detect and hand off further
     # parsing of the URL to your parse_url() function you write: