Add Cheshire West and Chester

lib/uk_planning_scraper/authorities.csv

@@ -56,6 +56,7 @@ Bradford,https://planning.bradford.gov.uk/online-applications/search.do?action=a
 Brighton and Hove,https://planningapps.brighton-hove.gov.uk/online-applications/search.do?action=advanced,england
 Bristol,https://planningonline.bristol.gov.uk/online-applications/search.do?action=advanced,england
 Cardiff,https://planningonline.cardiff.gov.uk/online-applications/search.do?action=advanced,wales
+Cheshire West and Chester,https://pa.cheshirewestandchester.gov.uk/online-applications/search.do?action=advanced,chester,cheshire,england
 Epsom and Ewell,http://eplanning.epsom-ewell.gov.uk/online-applications/search.do?action=advanced,surrey,england
 Leeds,https://publicaccess.leeds.gov.uk/online-applications/search.do?action=advanced,england
 Liverpool,http://northgate.liverpool.gov.uk/PlanningExplorer17/GeneralSearch.aspx,england