Rebrand graph service

leaving out LDAP related stuff for now

services/graph/pkg/command/root.go

@@ -24,11 +24,11 @@ func GetCommands(cfg *config.Config) cli.Commands {
 	}, UnifiedRoles(cfg)...)
 }
 
-// Execute is the entry point for the ocis-graph command.
+// Execute is the entry point for the opencloud graph command.
 func Execute(cfg *config.Config) error {
 	app := clihelper.DefaultApp(&cli.App{
 		Name:     "graph",
-		Usage:    "Serve Graph API for oCIS",
+		Usage:    "Serve Graph API for OpenCloud",
 		Commands: GetCommands(cfg),
 	})
 	return app.RunContext(cfg.Context, os.Args)