TRA-3234 Fetch command (#54)

* preparation to fetch command

* get har as zip from server

* no message

* no message

cli/config/config.go

@@ -1,11 +0,0 @@
-package config
-
-type Options struct {
-	GuiPort        uint16
-	Namespace      string
-	KubeConfigPath string
-	MizuImage      string
-	MizuPodPort    uint16
-}
-
-var Configuration = &Options{}