Add leisure=golf_course, map it to grass

layers/landcover/landcover.sql

@@ -16,7 +16,7 @@ CREATE OR REPLACE FUNCTION landcover_class(subclass VARCHAR) RETURNS TEXT AS $$
         WHEN subclass IN ('wood', 'forest') THEN 'wood'
         WHEN subclass IN ('bare_rock', 'scree') THEN 'rock'
         WHEN subclass IN ('fell', 'grassland', 'heath', 'scrub', 'tundra', 'grass', 'meadow', 'allotments',
-                          'park', 'village_green', 'recreation_ground', 'garden') THEN 'grass'
+                          'park', 'village_green', 'recreation_ground', 'garden', 'golf_course') THEN 'grass'
         WHEN subclass IN ('wetland', 'bog', 'swamp', 'wet_meadow', 'marsh', 'reedbed',
                           'saltern', 'tidalflat', 'saltmarsh', 'mangrove') THEN 'wetland'
         WHEN subclass IN ('beach', 'sand', 'dune') THEN 'sand'

layers/landcover/landcover.yaml

@@ -39,6 +39,7 @@ layer:
       - glacier
       - grass
       - grassland
+      - golf_course
       - heath
       - mangrove
       - marsh

layers/landcover/mapping.yaml

@@ -90,6 +90,7 @@ tables:
       leisure:
       - park
       - garden
+      - golf_course
       wetland:
       - bog
       - swamp