add seamark tags to marine fuel & sewerage presets (#663)

Author: k-yle

data/presets/waterway/fuel.json

@@ -33,5 +33,10 @@
     "tags": {
         "waterway": "fuel"
     },
+    "addTags": {
+        "waterway": "fuel",
+        "seamark:type": "small_craft_facility",
+        "seamark:small_craft_facility:category": "fuel_station"
+    },
     "name": "Marine Fuel Station"
 }

data/presets/waterway/sanitary_dump_station.json

@@ -34,5 +34,10 @@
     "tags": {
         "waterway": "sanitary_dump_station"
     },
+    "addTags": {
+        "waterway": "sanitary_dump_station",
+        "seamark:type": "small_craft_facility",
+        "seamark:small_craft_facility:category": "pump-out"
+    },
     "name": "Marine Toilet Disposal"
 }