Add Relatify icon (#1633)

assets/layers/transit_routes/license_info.json

@@ -0,0 +1,12 @@
+[
+  {
+    "path": "relatify.png",
+    "license": "AGPLv3",
+    "authors": [
+      "Kamil Monicz"
+    ],
+    "sources": [
+      "https://github.com/Zaczero/osm-relatify/blob/main/web/static/img/icon.png"
+    ]
+  }
+]

assets/layers/transit_routes/relatify.png.license

@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Kamil Monicz
+SPDX-License-Identifier: AGPLv3

assets/layers/transit_routes/transit_routes.json

@@ -60,7 +60,8 @@
             "then": "{colour}"
           }
         ]
-      }
+      },
+      "width": 5
     }
   ],
   "tagRenderings": [
@@ -209,5 +210,20 @@
         "ca": "Quina companyia opera aquesta línia d'autobús?"
       }
     }
+  ],
+  "titleIcons": [
+    {
+      "condition": {
+        "and": [
+          "id~relation/[0-9]+",
+          "_numeric_id~*"
+        ]
+      },
+      "render": "<a href=' https://relatify.monicz.dev/?relation={_numeric_id}&load=1' target='_blank' rel='noopener'><img alt='on relatify' textmode='🗺️' src='./assets/layers/transit_routes/relatify.png'/></a>"
+    },
+    "icons.defaults"
+  ],
+  "calculatedTags": [
+    "_numeric_id=feat.properties.id.split('/')[1]"
   ]
-}
+}