Adapt capacity tags for camp sites etc. (#107)

* Add capacity:* tags for tourism=camp_site.

* Use capacity:caravans for tourism=caravan_site.

* Use distinct capacity tags for tourism=camp_site.

* upgrade capacity fields to regular fields


Co-authored-by: Martin Raifer <martin@raifer.tech>

data/fields/capacity/caravans.json

@@ -0,0 +1,7 @@
+{
+    "key": "capacity:caravans",
+    "type": "number",
+    "minValue": 0,
+    "label": "Capacity (Caravans)",
+    "placeholder": "10, 20, 50..."
+}

data/fields/capacity/persons.json

@@ -0,0 +1,7 @@
+{
+    "key": "capacity:persons",
+    "type": "number",
+    "minValue": 0,
+    "label": "Capacity (Persons)",
+    "placeholder": "50, 100, 200..."
+}

data/fields/capacity/tents.json

@@ -0,0 +1,11 @@
+{
+    "key": "capacity:tents",
+    "type": "number",
+    "minValue": 0,
+    "label": "Capacity (Tents)",
+    "placeholder": "10, 20, 50...",
+    "prerequisiteTag": {
+        "key": "tents",
+        "valueNot": "no"
+    }
+}

data/presets/tourism/camp_site.json

@@ -5,7 +5,9 @@
         "operator",
         "address",
         "access_simple",
-        "capacity",
+        "capacity/caravans",
+        "capacity/persons",
+        "capacity/tents",
         "fee",
         "payment_multi_fee",
         "charge_fee"

data/presets/tourism/caravan_site.json

@@ -3,7 +3,7 @@
     "fields": [
         "name",
         "address",
-        "capacity",
+        "capacity/caravans",
         "sanitary_dump_station",
         "power_supply",
         "internet_access",