Config Options for elm

Option	Description	Values	Default
elmVersion	Elm version: 0.18, 0.19	0.19 Elm 0.19 0.18 Elm 0.18	0.19
elmPrefixCustomTypeVariants	Prefix custom type variants		false
elmEnableCustomBasePaths	Enable setting the base path for each request		false
elmEnableHttpRequestTrackers	Enable adding a tracker to each http request		false