Added detail to camp_site field

Author: osmuser63783

data/fields/camp_site.json

@@ -1,5 +1,13 @@
 {
     "key": "camp_site",
     "type": "combo",
-    "label": "Type"
-}
+    "label": "Type",
+    "strings": {
+        "options": {
+            "basic": "Basic (nothing but a place to pitch a tent or park a vehicle)",
+            "standard": "Standard (has toilets, water)",
+            "serviced": "Serviced (above plus shower, electricity)",
+            "deluxe": "Deluxe (above plus laundry, swimming pool or similar)"
+        }
+    }
+}