refactor: add runtime exceptions for chosen commands

Some commands should run even when there is no config folder in
existence on the system. These commands are 'proji', 'proji help',
'proji init' and 'proji version'.

cmd/proji/cmd/root.go

@@ -63,7 +63,7 @@ func init() {
 	viper.SetConfigName("config")
 	viper.AutomaticEnv()
 
-	if os.Args[1] != "init" {
+	if len(os.Args) > 1 && os.Args[1] != "init" && os.Args[1] != "version" && os.Args[1] != "help" {
 		cobra.OnInitialize(initConfig, initStorageService)
 	}
 }