Site crawler should have a command line option to save the results to a text file

[sdg002]

WebsiteCrawler.exe  --maxsites 5 --url https://www.premierleague.com/ --output  c:\somefile.csv

• The option --output should be optional
• If the option --output is not specified, then existing behaviour prevails. i.e. Write the results to the console
• If specified then write the CSV to the specified file