Added courseEndDate field to DTLS scraper
Added courseEndDate field to DTLS scraper

ElixirUK/TeSS_scrapers,ElixirUK/newtessscraper,ElixirUK/newtessscraper,ElixirUK/TeSS_scrapers,ElixirUK/newtessscraper,ElixirUK/TeSS_scrapers