Keyword arguments need ** (bare is deprecated) (#303)

* Fix typos in the yaml documentation.

* Fix keyword params deprecation warning.

.../squib/lib/squib/api/data.rb:42: warning: Using the last argument as keyword parameters is deprecated; maybe ** should be added to the call
/Users/blinks/.rvm/rubies/ruby-2.7.0/lib/ruby/2.7.0/csv.rb:679: warning: The called method `parse' is defined here

lib/squib/api/data.rb

@@ -39,7 +39,7 @@ module Squib
     file = Args::InputFile.new(file: 'deck.csv').load!(opts).file[0]
     data = opts.key?(:data) ? opts[:data] : File.read(file)
     csv_opts = Args::CSV_Opts.new(opts)
-    table = CSV.parse(data, csv_opts.to_hash)
+    table = CSV.parse(data, **csv_opts.to_hash)
     check_duplicate_csv_headers(table)
     hash = Squib::DataFrame.new
     table.headers.each do |header|