Themes: add hostel, cleanup of hotel

assets/layers/hostel/hostel.json

@@ -0,0 +1,68 @@
+{
+  "minzoom": 12,
+  "pointRendering": [
+    {id":
+      "location": [
+        "point",
+        "centroid"
+      ],
+      "marker": [
+        {
+          "icon": "circle",
+          "color": "white"
+        },
+        {
+          "icon": "./assets/layers/hostels/hostel.svg"
+        }
+      ]
+    }
+  ],
+  "tagRenderings": [
+    "images",
+    "reviews",
+    {
+      "id": "name",
+      "question": {
+        "en": "What is the name of this hostel?"
+      },
+      "render": {
+        "en": "This hostel is called {name}"
+      },
+      "freeform": {
+        "key": "name"
+      }
+    },
+    {
+      "builtin": "brand",
+      "override": {
+        "question": {
+          "en": "Is this hostel part of a bigger brand?"
+        }
+      }
+    },
+    "contact",
+    "internet-all",
+    "dog-access"
+  ],
+  "lineRendering": [
+    {
+      "width": 1,
+      "color": "blue"
+    }
+  ],
+  "name": {
+    "en": "Hostels"
+  },
+  "id": "hostel",
+  "description": {
+    "en": "A hostel is a type of tourist accomodation where people can sleep in a room shared with strangers"
+  },
+  "source": {
+    "osmTags": "tourism=hostel"
+  },
+  "title": {
+    "render": {
+      "en": "Hostel {name}"
+    }
+  }
+}