add leisure=summer_camp as source

assets/themes/scouting/scouting.json

@@ -24,6 +24,9 @@
         "=presets": [],
         "source": {
           "=osmTags": {
+            "or":[
+              "leisure=summer_camp",
+              {
                 "and": [
                   "tourism=camp_site",
                   "scout!=no",
@@ -38,6 +41,8 @@
                   }
                 ]
               }
+            ]
+          }
         }
       }
     },