feat(scrapers.admin): add refresh_scrapers_status_view command

Also, delete customer's SQL

cl/scrapers/management/commands/refresh_scrapers_status_view.py

@@ -0,0 +1,16 @@
+from cl.lib.command_utils import VerboseCommand,logger
+from django.db import connection
+
+class Command(VerboseCommand):
+    help = """Refreshes the `scrapers_mv_latest_opinion` materialized view.
+    
+    Check the cl.scrapers.admin.py file for more info about the view
+    """
+
+    def handle(self, *args, **options):
+        query = "REFRESH MATERIALIZED VIEW scrapers_mv_latest_opinion;"
+        with connection.cursor() as cursor:
+            cursor.execute(query)
+
+        logger.info("View refresh completed successfully")
+