feat(cont): add a generic func for extracting to envconfig compatible structs

Author: arschles

pkg/conf/config.go

@@ -0,0 +1,12 @@
+package conf
+
+import (
+	"github.com/kelseyhightower/envconfig"
+)
+
+func EnvConfig(appName string, conf interface{}) error {
+	if err := envconfig.Process(appName, conf); err != nil {
+		return err
+	}
+	return nil
+}