Mark GitHub and Registry access configuration as optional

Author: mwvaughn

tapis_cli/commands/taccapis/v2/apim/gitserver/init.py

@@ -46,7 +46,7 @@ class GitServerOpts(ParserExtender):
     def extend_parser(parser):
         """Configures a Command to accept git server config
         """
-        git_group = parser.add_argument_group('GitHub Access')
+        git_group = parser.add_argument_group('GitHub Access (Optional)')
         git_group.add_argument('--git-username',
                                metavar='USERNAME',
                                help='Git username')

tapis_cli/commands/taccapis/v2/apim/registry/init.py

@@ -23,7 +23,7 @@ class RegistryOpts(ParserExtender):
     def extend_parser(parser):
         """Configures a Command to accept container registry config
         """
-        reg_group = parser.add_argument_group('Registry Access')
+        reg_group = parser.add_argument_group('Container Registry Access (Optional)')
         reg_group.add_argument('--registry-url',
                                metavar='URL',
                                help='Registry URL')