https://yourbasic.org/golang/json-example/https://stackoverflow.com/questions/11066946/partly-json-unmarshal-into-a-map-in-go.

StringTemplateToArgsArray spreads an array of values on top of a templated string (%s,%s,...).

Writes the array given to a yaml file at 'yamlFilePath'.

Writes content to a filePath, overriding the current contents Returns: error when cannot create the file or write content.