Chore: regen docs

Docs/BuiltinIndex.md

@@ -15,6 +15,7 @@
  - atm
  - bank
  - barrier
+ - bbq
  - bench
  - bench_at_pt
  - bicycle_library
@@ -50,6 +51,7 @@
  - extinguisher
  - favourite
  - fire_station
+ - firepit
  - fitness_centre
  - fitness_station
  - food
@@ -497,6 +499,11 @@
 
              - climbing_gym
             
+            ### seasonal
+
+             - drinking_water
+ - firepit
+            
             ### multilevels
 
              - elevator
@@ -645,3 +652,6 @@
 
              - toilet_at_amenity
             
+
+
+This document is autogenerated from [assets/layers/*.json](https://github.com/pietervdvn/MapComplete/blob/develop/assets/layers/*.json)