Correctly apply maps API Key (#60)
Correctly apply maps API Key (#60)

* Use equality to empty string rather than isset when using the api key.

Reference : https://discuss.gohugo.io/t/solved-how-to-check-if-a-parameter-exists-in-config-toml-not-under-params/5569

* use short hand for checking if parram is set

TwosCompany/hugo-universal-theme,SaschaFitzner/hugo-universal-theme,oxygen0211/hugo-universal-theme,TwosCompany/hugo-universal-theme,devcows/hugo-universal-theme,oxygen0211/hugo-universal-theme,SaschaFitzner/hugo-universal-theme,devcows/hugo-universal-theme