def validate(path)
      file_contents = open(path).read
      preferences = file_contents.empty? ? {} : YAML.load(file_contents).to_hash

      unless preferences[TEMPLATES_KEY]
        puts "You can't run *generamba gen* without any templates installed. Add their declarations to a Rambafile and run *generamba template install*.".red
        exit
      end
    end
Method validates Rambafile contents
@param path [String] The path to a Rambafile

@return [Void]