Add landuse=flowerbed to landcover (#1661)

This adds `landuse=flowerbed` to landcover.

---------

Co-authored-by: Petra Duriancikova <petra.duriancikova@maptiler.com>

layers/landcover/landcover.yaml

@@ -26,7 +26,7 @@ layer:
         rock:
           subclass: ['bare_rock', 'scree']
         grass:
-          subclass: ['fell', 'grassland', 'heath', 'scrub', 'shrubbery', 'tundra', 'grass', 'meadow', 'allotments', 'park', 'village_green', 'recreation_ground', 'garden', 'golf_course']
+          subclass: ['fell', 'flowerbed', 'grassland', 'heath', 'scrub', 'shrubbery', 'tundra', 'grass', 'meadow', 'allotments', 'park', 'village_green', 'recreation_ground', 'garden', 'golf_course']
         wetland:
           subclass: ['wetland', 'bog', 'swamp', 'wet_meadow', 'marsh', 'reedbed', 'saltern', 'tidalflat', 'saltmarsh', 'mangrove']
         sand:
@@ -50,6 +50,7 @@ layer:
       - farm
       - farmland
       - fell
+      - flowerbed
       - forest
       - garden
       - glacier

layers/landcover/mapping.yaml

@@ -18,6 +18,7 @@ tables:
       - farm
       - farmland
       - orchard
+      - flowerbed
       - plant_nursery
       - vineyard
       - grass

layers/landcover/style.json

@@ -137,6 +137,8 @@
           "#f5dcba",
           "farmland",
           "#eef0d5",
+          "flowerbed",
+          "#cdebb0",
           "forest",
           "#add19e",
           "grass",
@@ -201,6 +203,7 @@
           "scrub",
           "farm",
           "farmland",
+          "flowerbed",
           "forest",
           "garden",
           "grass",
@@ -275,6 +278,8 @@
           "wetland_bog",
           "scrub",
           "scrub",
+          "flowerbed",
+          "flowerbed_high_zoom",
           "forest",
           "leaftype_unknown",
           "garden",
@@ -320,6 +325,7 @@
           "scrub",
           "farm",
           "farmland",
+          "flowerbed",
           "forest",
           "garden",
           "grass",