Themes(wayside_shrine): add preset to snap to a wal

assets/layers/wayside_shrine/MountedShrineExample.jpg.license

@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Pieter Vander Vennet
+SPDX-License-Identifier: CC-BY-SA-4.0

assets/layers/wayside_shrine/license_info.json

@@ -1,4 +1,14 @@
 [
+  {
+    "path": "MountedShrineExample.jpg",
+    "license": "CC-BY-SA-4.0",
+    "authors": [
+      "Pieter Vander Vennet"
+    ],
+    "sources": [
+      "https://panoramax.mapcomplete.org"
+    ]
+  },
   {
     "path": "shrine.svg",
     "license": "CC0-1.0",

assets/layers/wayside_shrine/wayside_shrine.json

@@ -55,6 +55,23 @@
         "./assets/layers/wayside_shrine/shrine_example2.jpg",
         "./assets/layers/wayside_shrine/shrine_example3.jpg"
       ]
+    },
+    {
+      "tags": [
+        "historic=wayside_shrine"
+      ],
+      "title": {
+        "en": "a wayside shrine mounted on a wall"
+      },
+      "snapToLayer": [
+        "walls_and_buildings"
+      ],
+      "description": {
+        "en": "A wayside shrine typically shows a religious depiction, usually placed by a road or pathway. This shrine is mounted on a wall"
+      },
+      "exampleImages": [
+        "./assets/layers/wayside_shrine/MountedShrineExample.jpg"
+      ]
     }
   ],
   "tagRenderings": [
@@ -67,18 +84,22 @@
       "freeform": {
         "key": "name",
         "type": "string",
-        "addExtraTags": ["noname="]
+        "addExtraTags": [
+          "noname="
+        ]
       },
       "render": {
         "en": "The name of this shrine is <b>{name}</b>"
       },
-      "mappings": [{
-        "if": "noname=yes",
-        "alsoShowIf": "name=",
-        "then": {
-          "en": "This shrine does not have a name"
+      "mappings": [
+        {
+          "if": "noname=yes",
+          "alsoShowIf": "name=",
+          "then": {
+            "en": "This shrine does not have a name"
+          }
         }
-      }]
+      ]
     },
     {
       "question": {