326 http gateway in front each golang microservice

closes https://code.vereign.com/code/restful-api/issues/326

config/configs.go

@@ -29,6 +29,7 @@ var MaxMessageSize int
 
 var GrpcListenAddress string
 var RestListenAddress string
+var GrpcURL string
 var DataStorageUrl string
 var EntitiesManagerUrl string
 var CertDir string
@@ -41,6 +42,7 @@ func SetConfigValues(configFile, etcdURL string) {
 	viper.SetDefault("restListenAddress", ":7878")
 	viper.SetDefault("dataStorageUrl", "data-storage-agent:7777")
 	viper.SetDefault("entitiesManagerUrl", "entities-management-agent:7779")
+	viper.SetDefault("grpcURL", "key-storage-agent:7877")
 
 	viper.SetDefault("viamUUID", "viam-system")
 	viper.SetDefault("viamSession", "viam-session")
@@ -122,6 +124,7 @@ func SetConfigValues(configFile, etcdURL string) {
 	}
 
 	GrpcListenAddress = viper.GetString("grpcListenAddress")
+	GrpcURL = viper.GetString("grpcURL")
 	RestListenAddress = viper.GetString("restListenAddress")
 
 	DataStorageUrl = viper.GetString("dataStorageUrl")